Home / 159,748.05-220,441.40-88,129.27

Finding the Fourth Proportional to 159,748.05, 220,441.40 and 88,129.27

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Solution

The fourth proportional to 159,748.05, 220,441.40 and 88,129.27 is: 121,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,748.05 : 220,441.40 = 88,129.27 : x
  2. Step 2: Convert to fraction form
    159,748.05/220,441.40 = 88,129.27/x
  3. Step 3: Cross multiply
    159,748.05x = 220,441.40 × 88,129.27
  4. Step 4: Simplify right side
    159,748.05x = 19,427,338,585.19
  5. Step 5: Solve for x
    x = 19,427,338,585.19/159,748.05
  6. Step 6: Final answer
    x = 121,612.37

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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.