Home / 102,404.79-141,332.44-62,112.05

Finding the Fourth Proportional to 102,404.79, 141,332.44 and 62,112.05

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Solution

The fourth proportional to 102,404.79, 141,332.44 and 62,112.05 is: 85,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,404.79 : 141,332.44 = 62,112.05 : x
  2. Step 2: Convert to fraction form
    102,404.79/141,332.44 = 62,112.05/x
  3. Step 3: Cross multiply
    102,404.79x = 141,332.44 × 62,112.05
  4. Step 4: Simplify right side
    102,404.79x = 8,778,446,922.75
  5. Step 5: Solve for x
    x = 8,778,446,922.75/102,404.79
  6. Step 6: Final answer
    x = 85,723.01

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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.