Home / 103,006.18-142,086.45-60,529.78

Finding the Fourth Proportional to 103,006.18, 142,086.45 and 60,529.78

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Solution

The fourth proportional to 103,006.18, 142,086.45 and 60,529.78 is: 83,494.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,006.18 : 142,086.45 = 60,529.78 : x
  2. Step 2: Convert to fraction form
    103,006.18/142,086.45 = 60,529.78/x
  3. Step 3: Cross multiply
    103,006.18x = 142,086.45 × 60,529.78
  4. Step 4: Simplify right side
    103,006.18x = 8,600,461,559.48
  5. Step 5: Solve for x
    x = 8,600,461,559.48/103,006.18
  6. Step 6: Final answer
    x = 83,494.62

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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.