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Finding the Fourth Proportional to 160,139.07, 220,982.31 and 88,514.82

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Solution

The fourth proportional to 160,139.07, 220,982.31 and 88,514.82 is: 122,145.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,139.07 : 220,982.31 = 88,514.82 : x
  2. Step 2: Convert to fraction form
    160,139.07/220,982.31 = 88,514.82/x
  3. Step 3: Cross multiply
    160,139.07x = 220,982.31 × 88,514.82
  4. Step 4: Simplify right side
    160,139.07x = 19,560,209,392.83
  5. Step 5: Solve for x
    x = 19,560,209,392.83/160,139.07
  6. Step 6: Final answer
    x = 122,145.14

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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.