Home / 99,016.20-148,458.70-54,664.20

Finding the Fourth Proportional to 99,016.20, 148,458.70 and 54,664.20

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Solution

The fourth proportional to 99,016.20, 148,458.70 and 54,664.20 is: 81,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.20 : 148,458.70 = 54,664.20 : x
  2. Step 2: Convert to fraction form
    99,016.20/148,458.70 = 54,664.20/x
  3. Step 3: Cross multiply
    99,016.20x = 148,458.70 × 54,664.20
  4. Step 4: Simplify right side
    99,016.20x = 8,115,376,068.54
  5. Step 5: Solve for x
    x = 8,115,376,068.54/99,016.20
  6. Step 6: Final answer
    x = 81,960.08

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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.