Home / 152,785.38-229,184.21-72,782.22

Finding the Fourth Proportional to 152,785.38, 229,184.21 and 72,782.22

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Solution

The fourth proportional to 152,785.38, 229,184.21 and 72,782.22 is: 109,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,785.38 : 229,184.21 = 72,782.22 : x
  2. Step 2: Convert to fraction form
    152,785.38/229,184.21 = 72,782.22/x
  3. Step 3: Cross multiply
    152,785.38x = 229,184.21 × 72,782.22
  4. Step 4: Simplify right side
    152,785.38x = 16,680,535,592.75
  5. Step 5: Solve for x
    x = 16,680,535,592.75/152,785.38
  6. Step 6: Final answer
    x = 109,176.25

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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.