Home / 154,416.53-231,626.72-42,102.29

Finding the Fourth Proportional to 154,416.53, 231,626.72 and 42,102.29

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Solution

The fourth proportional to 154,416.53, 231,626.72 and 42,102.29 is: 63,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,416.53 : 231,626.72 = 42,102.29 : x
  2. Step 2: Convert to fraction form
    154,416.53/231,626.72 = 42,102.29/x
  3. Step 3: Cross multiply
    154,416.53x = 231,626.72 × 42,102.29
  4. Step 4: Simplify right side
    154,416.53x = 9,752,015,126.68
  5. Step 5: Solve for x
    x = 9,752,015,126.68/154,416.53
  6. Step 6: Final answer
    x = 63,153.96

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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.