Home / 162,781.32-243,734.50-103,294.92

Finding the Fourth Proportional to 162,781.32, 243,734.50 and 103,294.92

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Solution

The fourth proportional to 162,781.32, 243,734.50 and 103,294.92 is: 154,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,781.32 : 243,734.50 = 103,294.92 : x
  2. Step 2: Convert to fraction form
    162,781.32/243,734.50 = 103,294.92/x
  3. Step 3: Cross multiply
    162,781.32x = 243,734.50 × 103,294.92
  4. Step 4: Simplify right side
    162,781.32x = 25,176,535,678.74
  5. Step 5: Solve for x
    x = 25,176,535,678.74/162,781.32
  6. Step 6: Final answer
    x = 154,664.77

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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.