Home / 159,730.38-220,428.54-88,109.37

Finding the Fourth Proportional to 159,730.38, 220,428.54 and 88,109.37

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Solution

The fourth proportional to 159,730.38, 220,428.54 and 88,109.37 is: 121,591.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,730.38 : 220,428.54 = 88,109.37 : x
  2. Step 2: Convert to fraction form
    159,730.38/220,428.54 = 88,109.37/x
  3. Step 3: Cross multiply
    159,730.38x = 220,428.54 × 88,109.37
  4. Step 4: Simplify right side
    159,730.38x = 19,421,819,789.42
  5. Step 5: Solve for x
    x = 19,421,819,789.42/159,730.38
  6. Step 6: Final answer
    x = 121,591.27

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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.