Home / 102,191.55-141,036.62-61,904.13

Finding the Fourth Proportional to 102,191.55, 141,036.62 and 61,904.13

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Solution

The fourth proportional to 102,191.55, 141,036.62 and 61,904.13 is: 85,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,191.55 : 141,036.62 = 61,904.13 : x
  2. Step 2: Convert to fraction form
    102,191.55/141,036.62 = 61,904.13/x
  3. Step 3: Cross multiply
    102,191.55x = 141,036.62 × 61,904.13
  4. Step 4: Simplify right side
    102,191.55x = 8,730,749,259.24
  5. Step 5: Solve for x
    x = 8,730,749,259.24/102,191.55
  6. Step 6: Final answer
    x = 85,435.14

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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.