Home / 90,459.38-124,841.64-50,186.12

Finding the Fourth Proportional to 90,459.38, 124,841.64 and 50,186.12

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Solution

The fourth proportional to 90,459.38, 124,841.64 and 50,186.12 is: 69,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,459.38 : 124,841.64 = 50,186.12 : x
  2. Step 2: Convert to fraction form
    90,459.38/124,841.64 = 50,186.12/x
  3. Step 3: Cross multiply
    90,459.38x = 124,841.64 × 50,186.12
  4. Step 4: Simplify right side
    90,459.38x = 6,265,317,526.04
  5. Step 5: Solve for x
    x = 6,265,317,526.04/90,459.38
  6. Step 6: Final answer
    x = 69,261.12

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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.