Home / 154,484.10-231,726.15-54,756.90

Finding the Fourth Proportional to 154,484.10, 231,726.15 and 54,756.90

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Solution

The fourth proportional to 154,484.10, 231,726.15 and 54,756.90 is: 82,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,484.10 : 231,726.15 = 54,756.90 : x
  2. Step 2: Convert to fraction form
    154,484.10/231,726.15 = 54,756.90/x
  3. Step 3: Cross multiply
    154,484.10x = 231,726.15 × 54,756.90
  4. Step 4: Simplify right side
    154,484.10x = 12,688,605,622.94
  5. Step 5: Solve for x
    x = 12,688,605,622.94/154,484.10
  6. Step 6: Final answer
    x = 82,135.35

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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.