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Finding the Fourth Proportional to 160,071.24, 220,895.24 and 88,449.72

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Solution

The fourth proportional to 160,071.24, 220,895.24 and 88,449.72 is: 122,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,071.24 : 220,895.24 = 88,449.72 : x
  2. Step 2: Convert to fraction form
    160,071.24/220,895.24 = 88,449.72/x
  3. Step 3: Cross multiply
    160,071.24x = 220,895.24 × 88,449.72
  4. Step 4: Simplify right side
    160,071.24x = 19,538,122,127.33
  5. Step 5: Solve for x
    x = 19,538,122,127.33/160,071.24
  6. Step 6: Final answer
    x = 122,058.92

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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.