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Finding the Fourth Proportional to 160,047.88, 220,870.53 and 88,432.52

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Solution

The fourth proportional to 160,047.88, 220,870.53 and 88,432.52 is: 122,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,047.88 : 220,870.53 = 88,432.52 : x
  2. Step 2: Convert to fraction form
    160,047.88/220,870.53 = 88,432.52/x
  3. Step 3: Cross multiply
    160,047.88x = 220,870.53 × 88,432.52
  4. Step 4: Simplify right side
    160,047.88x = 19,532,136,125.66
  5. Step 5: Solve for x
    x = 19,532,136,125.66/160,047.88
  6. Step 6: Final answer
    x = 122,039.33

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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.