Home / 135,688.38-203,545.53-60,805.50

Finding the Fourth Proportional to 135,688.38, 203,545.53 and 60,805.50

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Solution

The fourth proportional to 135,688.38, 203,545.53 and 60,805.50 is: 91,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,688.38 : 203,545.53 = 60,805.50 : x
  2. Step 2: Convert to fraction form
    135,688.38/203,545.53 = 60,805.50/x
  3. Step 3: Cross multiply
    135,688.38x = 203,545.53 × 60,805.50
  4. Step 4: Simplify right side
    135,688.38x = 12,376,687,724.42
  5. Step 5: Solve for x
    x = 12,376,687,724.42/135,688.38
  6. Step 6: Final answer
    x = 91,214.06

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1.5x scale

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.