Home / 159,751.05-220,445.54-88,132.26

Finding the Fourth Proportional to 159,751.05, 220,445.54 and 88,132.26

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Solution

The fourth proportional to 159,751.05, 220,445.54 and 88,132.26 is: 121,616.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,751.05 : 220,445.54 = 88,132.26 : x
  2. Step 2: Convert to fraction form
    159,751.05/220,445.54 = 88,132.26/x
  3. Step 3: Cross multiply
    159,751.05x = 220,445.54 × 88,132.26
  4. Step 4: Simplify right side
    159,751.05x = 19,428,363,206.46
  5. Step 5: Solve for x
    x = 19,428,363,206.46/159,751.05
  6. Step 6: Final answer
    x = 121,616.50

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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.