Home / 112,379.24-155,080.76-61,392.18

Finding the Fourth Proportional to 112,379.24, 155,080.76 and 61,392.18

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Solution

The fourth proportional to 112,379.24, 155,080.76 and 61,392.18 is: 84,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,379.24 : 155,080.76 = 61,392.18 : x
  2. Step 2: Convert to fraction form
    112,379.24/155,080.76 = 61,392.18/x
  3. Step 3: Cross multiply
    112,379.24x = 155,080.76 × 61,392.18
  4. Step 4: Simplify right side
    112,379.24x = 9,520,745,932.46
  5. Step 5: Solve for x
    x = 9,520,745,932.46/112,379.24
  6. Step 6: Final answer
    x = 84,719.79

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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.