Home / 145,985.04-201,459.36-82,322.76

Finding the Fourth Proportional to 145,985.04, 201,459.36 and 82,322.76

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Solution

The fourth proportional to 145,985.04, 201,459.36 and 82,322.76 is: 113,605.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985.04 : 201,459.36 = 82,322.76 : x
  2. Step 2: Convert to fraction form
    145,985.04/201,459.36 = 82,322.76/x
  3. Step 3: Cross multiply
    145,985.04x = 201,459.36 × 82,322.76
  4. Step 4: Simplify right side
    145,985.04x = 16,584,690,543.03
  5. Step 5: Solve for x
    x = 16,584,690,543.03/145,985.04
  6. Step 6: Final answer
    x = 113,605.41

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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.