Home / 130,252.25-179,776.13-79,281.38

Finding the Fourth Proportional to 130,252.25, 179,776.13 and 79,281.38

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Solution

The fourth proportional to 130,252.25, 179,776.13 and 79,281.38 is: 109,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,252.25 : 179,776.13 = 79,281.38 : x
  2. Step 2: Convert to fraction form
    130,252.25/179,776.13 = 79,281.38/x
  3. Step 3: Cross multiply
    130,252.25x = 179,776.13 × 79,281.38
  4. Step 4: Simplify right side
    130,252.25x = 14,252,898,382.17
  5. Step 5: Solve for x
    x = 14,252,898,382.17/130,252.25
  6. Step 6: Final answer
    x = 109,425.36

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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.