Home / 131,358.13-197,064.89-42,604.74

Finding the Fourth Proportional to 131,358.13, 197,064.89 and 42,604.74

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Solution

The fourth proportional to 131,358.13, 197,064.89 and 42,604.74 is: 63,916.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,358.13 : 197,064.89 = 42,604.74 : x
  2. Step 2: Convert to fraction form
    131,358.13/197,064.89 = 42,604.74/x
  3. Step 3: Cross multiply
    131,358.13x = 197,064.89 × 42,604.74
  4. Step 4: Simplify right side
    131,358.13x = 8,395,898,587.97
  5. Step 5: Solve for x
    x = 8,395,898,587.97/131,358.13
  6. Step 6: Final answer
    x = 63,916.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.