Home / 152,955.20-229,432.80-99,811.10

Finding the Fourth Proportional to 152,955.20, 229,432.80 and 99,811.10

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Solution

The fourth proportional to 152,955.20, 229,432.80 and 99,811.10 is: 149,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,955.20 : 229,432.80 = 99,811.10 : x
  2. Step 2: Convert to fraction form
    152,955.20/229,432.80 = 99,811.10/x
  3. Step 3: Cross multiply
    152,955.20x = 229,432.80 × 99,811.10
  4. Step 4: Simplify right side
    152,955.20x = 22,899,940,144.08
  5. Step 5: Solve for x
    x = 22,899,940,144.08/152,955.20
  6. Step 6: Final answer
    x = 149,716.65

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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.