Home / 105,390.18-145,433.34-60,070.14

Finding the Fourth Proportional to 105,390.18, 145,433.34 and 60,070.14

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Solution

The fourth proportional to 105,390.18, 145,433.34 and 60,070.14 is: 82,893.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,390.18 : 145,433.34 = 60,070.14 : x
  2. Step 2: Convert to fraction form
    105,390.18/145,433.34 = 60,070.14/x
  3. Step 3: Cross multiply
    105,390.18x = 145,433.34 × 60,070.14
  4. Step 4: Simplify right side
    105,390.18x = 8,736,201,094.47
  5. Step 5: Solve for x
    x = 8,736,201,094.47/105,390.18
  6. Step 6: Final answer
    x = 82,893.88

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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.