Home / 152,960.20-229,440.30-99,816.10

Finding the Fourth Proportional to 152,960.20, 229,440.30 and 99,816.10

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Solution

The fourth proportional to 152,960.20, 229,440.30 and 99,816.10 is: 149,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,960.20 : 229,440.30 = 99,816.10 : x
  2. Step 2: Convert to fraction form
    152,960.20/229,440.30 = 99,816.10/x
  3. Step 3: Cross multiply
    152,960.20x = 229,440.30 × 99,816.10
  4. Step 4: Simplify right side
    152,960.20x = 22,901,835,928.83
  5. Step 5: Solve for x
    x = 22,901,835,928.83/152,960.20
  6. Step 6: Final answer
    x = 149,724.15

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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.