Home / 112,304.32-154,981.12-62,003.20

Finding the Fourth Proportional to 112,304.32, 154,981.12 and 62,003.20

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Solution

The fourth proportional to 112,304.32, 154,981.12 and 62,003.20 is: 85,565.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,304.32 : 154,981.12 = 62,003.20 : x
  2. Step 2: Convert to fraction form
    112,304.32/154,981.12 = 62,003.20/x
  3. Step 3: Cross multiply
    112,304.32x = 154,981.12 × 62,003.20
  4. Step 4: Simplify right side
    112,304.32x = 9,609,325,379.58
  5. Step 5: Solve for x
    x = 9,609,325,379.58/112,304.32
  6. Step 6: Final answer
    x = 85,565.06

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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.