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Finding the Fourth Proportional to 159,377.68, 219,946.04 and 87,760.27

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Solution

The fourth proportional to 159,377.68, 219,946.04 and 87,760.27 is: 121,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,377.68 : 219,946.04 = 87,760.27 : x
  2. Step 2: Convert to fraction form
    159,377.68/219,946.04 = 87,760.27/x
  3. Step 3: Cross multiply
    159,377.68x = 219,946.04 × 87,760.27
  4. Step 4: Simplify right side
    159,377.68x = 19,302,523,196.27
  5. Step 5: Solve for x
    x = 19,302,523,196.27/159,377.68
  6. Step 6: Final answer
    x = 121,111.83

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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.