Home / 154,411.90-231,617.85-152,079.10

Finding the Fourth Proportional to 154,411.90, 231,617.85 and 152,079.10

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Solution

The fourth proportional to 154,411.90, 231,617.85 and 152,079.10 is: 228,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,411.90 : 231,617.85 = 152,079.10 : x
  2. Step 2: Convert to fraction form
    154,411.90/231,617.85 = 152,079.10/x
  3. Step 3: Cross multiply
    154,411.90x = 231,617.85 × 152,079.10
  4. Step 4: Simplify right side
    154,411.90x = 35,224,234,171.94
  5. Step 5: Solve for x
    x = 35,224,234,171.94/154,411.90
  6. Step 6: Final answer
    x = 228,118.65

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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.