Home / 230,545.56-318,178.62-135,132.96

Finding the Fourth Proportional to 230,545.56, 318,178.62 and 135,132.96

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Solution

The fourth proportional to 230,545.56, 318,178.62 and 135,132.96 is: 186,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,545.56 : 318,178.62 = 135,132.96 : x
  2. Step 2: Convert to fraction form
    230,545.56/318,178.62 = 135,132.96/x
  3. Step 3: Cross multiply
    230,545.56x = 318,178.62 × 135,132.96
  4. Step 4: Simplify right side
    230,545.56x = 42,996,418,729.32
  5. Step 5: Solve for x
    x = 42,996,418,729.32/230,545.56
  6. Step 6: Final answer
    x = 186,498.58

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1.5x scale

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.