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Finding the Fourth Proportional to 159,808.14, 220,535.01 and 88,188.15

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Solution

The fourth proportional to 159,808.14, 220,535.01 and 88,188.15 is: 121,699.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,808.14 : 220,535.01 = 88,188.15 : x
  2. Step 2: Convert to fraction form
    159,808.14/220,535.01 = 88,188.15/x
  3. Step 3: Cross multiply
    159,808.14x = 220,535.01 × 88,188.15
  4. Step 4: Simplify right side
    159,808.14x = 19,448,574,542.13
  5. Step 5: Solve for x
    x = 19,448,574,542.13/159,808.14
  6. Step 6: Final answer
    x = 121,699.52

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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.