Home / 103,179.72-142,417.54-60,762.86

Finding the Fourth Proportional to 103,179.72, 142,417.54 and 60,762.86

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Solution

The fourth proportional to 103,179.72, 142,417.54 and 60,762.86 is: 83,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,179.72 : 142,417.54 = 60,762.86 : x
  2. Step 2: Convert to fraction form
    103,179.72/142,417.54 = 60,762.86/x
  3. Step 3: Cross multiply
    103,179.72x = 142,417.54 × 60,762.86
  4. Step 4: Simplify right side
    103,179.72x = 8,653,697,044.56
  5. Step 5: Solve for x
    x = 8,653,697,044.56/103,179.72
  6. Step 6: Final answer
    x = 83,870.13

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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.