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Finding the Fourth Proportional to 159,779.93, 220,496.28 and 88,160.09

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Solution

The fourth proportional to 159,779.93, 220,496.28 and 88,160.09 is: 121,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,779.93 : 220,496.28 = 88,160.09 : x
  2. Step 2: Convert to fraction form
    159,779.93/220,496.28 = 88,160.09/x
  3. Step 3: Cross multiply
    159,779.93x = 220,496.28 × 88,160.09
  4. Step 4: Simplify right side
    159,779.93x = 19,438,971,889.47
  5. Step 5: Solve for x
    x = 19,438,971,889.47/159,779.93
  6. Step 6: Final answer
    x = 121,660.91

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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.