Home / 102,459.08-141,389.16-75,591.92

Finding the Fourth Proportional to 102,459.08, 141,389.16 and 75,591.92

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Solution

The fourth proportional to 102,459.08, 141,389.16 and 75,591.92 is: 104,313.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,459.08 : 141,389.16 = 75,591.92 : x
  2. Step 2: Convert to fraction form
    102,459.08/141,389.16 = 75,591.92/x
  3. Step 3: Cross multiply
    102,459.08x = 141,389.16 × 75,591.92
  4. Step 4: Simplify right side
    102,459.08x = 10,687,878,071.59
  5. Step 5: Solve for x
    x = 10,687,878,071.59/102,459.08
  6. Step 6: Final answer
    x = 104,313.63

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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.