Home / 131,808.06-197,741.25-72,613.26

Finding the Fourth Proportional to 131,808.06, 197,741.25 and 72,613.26

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Solution

The fourth proportional to 131,808.06, 197,741.25 and 72,613.26 is: 108,935.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,808.06 : 197,741.25 = 72,613.26 : x
  2. Step 2: Convert to fraction form
    131,808.06/197,741.25 = 72,613.26/x
  3. Step 3: Cross multiply
    131,808.06x = 197,741.25 × 72,613.26
  4. Step 4: Simplify right side
    131,808.06x = 14,358,636,798.98
  5. Step 5: Solve for x
    x = 14,358,636,798.98/131,808.06
  6. Step 6: Final answer
    x = 108,935.95

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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.