Home / 145,971.04-201,441-92,280.28

Finding the Fourth Proportional to 145,971.04, 201,441 and 92,280.28

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Solution

The fourth proportional to 145,971.04, 201,441 and 92,280.28 is: 127,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,971.04 : 201,441 = 92,280.28 : x
  2. Step 2: Convert to fraction form
    145,971.04/201,441 = 92,280.28/x
  3. Step 3: Cross multiply
    145,971.04x = 201,441 × 92,280.28
  4. Step 4: Simplify right side
    145,971.04x = 18,589,031,883.48
  5. Step 5: Solve for x
    x = 18,589,031,883.48/145,971.04
  6. Step 6: Final answer
    x = 127,347.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.