Home / 112,376.32-155,077.12-62,074.88

Finding the Fourth Proportional to 112,376.32, 155,077.12 and 62,074.88

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Solution

The fourth proportional to 112,376.32, 155,077.12 and 62,074.88 is: 85,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,376.32 : 155,077.12 = 62,074.88 : x
  2. Step 2: Convert to fraction form
    112,376.32/155,077.12 = 62,074.88/x
  3. Step 3: Cross multiply
    112,376.32x = 155,077.12 × 62,074.88
  4. Step 4: Simplify right side
    112,376.32x = 9,626,393,614.75
  5. Step 5: Solve for x
    x = 9,626,393,614.75/112,376.32
  6. Step 6: Final answer
    x = 85,662.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.