Home / 134,613.65-185,768.10-74,186.50

Finding the Fourth Proportional to 134,613.65, 185,768.10 and 74,186.50

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Solution

The fourth proportional to 134,613.65, 185,768.10 and 74,186.50 is: 102,378.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,613.65 : 185,768.10 = 74,186.50 : x
  2. Step 2: Convert to fraction form
    134,613.65/185,768.10 = 74,186.50/x
  3. Step 3: Cross multiply
    134,613.65x = 185,768.10 × 74,186.50
  4. Step 4: Simplify right side
    134,613.65x = 13,781,485,034.54
  5. Step 5: Solve for x
    x = 13,781,485,034.54/134,613.65
  6. Step 6: Final answer
    x = 102,378.07

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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.