Home / 154,141.74-231,223.95-65,385.18

Finding the Fourth Proportional to 154,141.74, 231,223.95 and 65,385.18

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Solution

The fourth proportional to 154,141.74, 231,223.95 and 65,385.18 is: 98,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,141.74 : 231,223.95 = 65,385.18 : x
  2. Step 2: Convert to fraction form
    154,141.74/231,223.95 = 65,385.18/x
  3. Step 3: Cross multiply
    154,141.74x = 231,223.95 × 65,385.18
  4. Step 4: Simplify right side
    154,141.74x = 15,118,619,591.06
  5. Step 5: Solve for x
    x = 15,118,619,591.06/154,141.74
  6. Step 6: Final answer
    x = 98,082.58

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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.