Home / 112,377.25-154,935.88-80,148.61

Finding the Fourth Proportional to 112,377.25, 154,935.88 and 80,148.61

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Solution

The fourth proportional to 112,377.25, 154,935.88 and 80,148.61 is: 110,501.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,377.25 : 154,935.88 = 80,148.61 : x
  2. Step 2: Convert to fraction form
    112,377.25/154,935.88 = 80,148.61/x
  3. Step 3: Cross multiply
    112,377.25x = 154,935.88 × 80,148.61
  4. Step 4: Simplify right side
    112,377.25x = 12,417,895,421.13
  5. Step 5: Solve for x
    x = 12,417,895,421.13/112,377.25
  6. Step 6: Final answer
    x = 110,501.86

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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.