Home / 159,397.04-219,964.92-87,775.52

Finding the Fourth Proportional to 159,397.04, 219,964.92 and 87,775.52

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Solution

The fourth proportional to 159,397.04, 219,964.92 and 87,775.52 is: 121,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,397.04 : 219,964.92 = 87,775.52 : x
  2. Step 2: Convert to fraction form
    159,397.04/219,964.92 = 87,775.52/x
  3. Step 3: Cross multiply
    159,397.04x = 219,964.92 × 87,775.52
  4. Step 4: Simplify right side
    159,397.04x = 19,307,535,234.76
  5. Step 5: Solve for x
    x = 19,307,535,234.76/159,397.04
  6. Step 6: Final answer
    x = 121,128.57

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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.