Home / 131,366.74-197,077.79-42,613.32

Finding the Fourth Proportional to 131,366.74, 197,077.79 and 42,613.32

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Solution

The fourth proportional to 131,366.74, 197,077.79 and 42,613.32 is: 63,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,366.74 : 197,077.79 = 42,613.32 : x
  2. Step 2: Convert to fraction form
    131,366.74/197,077.79 = 42,613.32/x
  3. Step 3: Cross multiply
    131,366.74x = 197,077.79 × 42,613.32
  4. Step 4: Simplify right side
    131,366.74x = 8,398,137,731.71
  5. Step 5: Solve for x
    x = 8,398,137,731.71/131,366.74
  6. Step 6: Final answer
    x = 63,928.95

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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.