Home / 148,005.20-221,878.20-88,864.40

Finding the Fourth Proportional to 148,005.20, 221,878.20 and 88,864.40

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Solution

The fourth proportional to 148,005.20, 221,878.20 and 88,864.40 is: 133,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,005.20 : 221,878.20 = 88,864.40 : x
  2. Step 2: Convert to fraction form
    148,005.20/221,878.20 = 88,864.40/x
  3. Step 3: Cross multiply
    148,005.20x = 221,878.20 × 88,864.40
  4. Step 4: Simplify right side
    148,005.20x = 19,717,073,116.08
  5. Step 5: Solve for x
    x = 19,717,073,116.08/148,005.20
  6. Step 6: Final answer
    x = 133,218.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.