Home / 175,478.61-242,190.27-99,019.38

Finding the Fourth Proportional to 175,478.61, 242,190.27 and 99,019.38

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Solution

The fourth proportional to 175,478.61, 242,190.27 and 99,019.38 is: 136,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,478.61 : 242,190.27 = 99,019.38 : x
  2. Step 2: Convert to fraction form
    175,478.61/242,190.27 = 99,019.38/x
  3. Step 3: Cross multiply
    175,478.61x = 242,190.27 × 99,019.38
  4. Step 4: Simplify right side
    175,478.61x = 23,981,530,377.43
  5. Step 5: Solve for x
    x = 23,981,530,377.43/175,478.61
  6. Step 6: Final answer
    x = 136,663.55

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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.