Home / 160,807.12-221,902.92-89,184.40

Finding the Fourth Proportional to 160,807.12, 221,902.92 and 89,184.40

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Solution

The fourth proportional to 160,807.12, 221,902.92 and 89,184.40 is: 123,068.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,807.12 : 221,902.92 = 89,184.40 : x
  2. Step 2: Convert to fraction form
    160,807.12/221,902.92 = 89,184.40/x
  3. Step 3: Cross multiply
    160,807.12x = 221,902.92 × 89,184.40
  4. Step 4: Simplify right side
    160,807.12x = 19,790,278,778.45
  5. Step 5: Solve for x
    x = 19,790,278,778.45/160,807.12
  6. Step 6: Final answer
    x = 123,068.42

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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.