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Finding the Fourth Proportional to 159,954.95, 220,737.08 and 88,334.64

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Solution

The fourth proportional to 159,954.95, 220,737.08 and 88,334.64 is: 121,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,954.95 : 220,737.08 = 88,334.64 : x
  2. Step 2: Convert to fraction form
    159,954.95/220,737.08 = 88,334.64/x
  3. Step 3: Cross multiply
    159,954.95x = 220,737.08 × 88,334.64
  4. Step 4: Simplify right side
    159,954.95x = 19,498,730,054.78
  5. Step 5: Solve for x
    x = 19,498,730,054.78/159,954.95
  6. Step 6: Final answer
    x = 121,901.39

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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.