Home / 160,671.20-221,726.72-89,052.40

Finding the Fourth Proportional to 160,671.20, 221,726.72 and 89,052.40

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Solution

The fourth proportional to 160,671.20, 221,726.72 and 89,052.40 is: 122,892.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,671.20 : 221,726.72 = 89,052.40 : x
  2. Step 2: Convert to fraction form
    160,671.20/221,726.72 = 89,052.40/x
  3. Step 3: Cross multiply
    160,671.20x = 221,726.72 × 89,052.40
  4. Step 4: Simplify right side
    160,671.20x = 19,745,296,560.13
  5. Step 5: Solve for x
    x = 19,745,296,560.13/160,671.20
  6. Step 6: Final answer
    x = 122,892.57

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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.