Home / 103,332.31-142,581.61-60,885.07

Finding the Fourth Proportional to 103,332.31, 142,581.61 and 60,885.07

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Solution

The fourth proportional to 103,332.31, 142,581.61 and 60,885.07 is: 84,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,332.31 : 142,581.61 = 60,885.07 : x
  2. Step 2: Convert to fraction form
    103,332.31/142,581.61 = 60,885.07/x
  3. Step 3: Cross multiply
    103,332.31x = 142,581.61 × 60,885.07
  4. Step 4: Simplify right side
    103,332.31x = 8,681,091,305.56
  5. Step 5: Solve for x
    x = 8,681,091,305.56/103,332.31
  6. Step 6: Final answer
    x = 84,011.39

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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.