Home / 103,342.60-142,614.26-58,030.40

Finding the Fourth Proportional to 103,342.60, 142,614.26 and 58,030.40

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Solution

The fourth proportional to 103,342.60, 142,614.26 and 58,030.40 is: 80,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.60 : 142,614.26 = 58,030.40 : x
  2. Step 2: Convert to fraction form
    103,342.60/142,614.26 = 58,030.40/x
  3. Step 3: Cross multiply
    103,342.60x = 142,614.26 × 58,030.40
  4. Step 4: Simplify right side
    103,342.60x = 8,275,962,553.50
  5. Step 5: Solve for x
    x = 8,275,962,553.50/103,342.60
  6. Step 6: Final answer
    x = 80,082.78

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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.