Home / 130,407.19-179,952.01-79,414.27

Finding the Fourth Proportional to 130,407.19, 179,952.01 and 79,414.27

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Solution

The fourth proportional to 130,407.19, 179,952.01 and 79,414.27 is: 109,585.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,407.19 : 179,952.01 = 79,414.27 : x
  2. Step 2: Convert to fraction form
    130,407.19/179,952.01 = 79,414.27/x
  3. Step 3: Cross multiply
    130,407.19x = 179,952.01 × 79,414.27
  4. Step 4: Simplify right side
    130,407.19x = 14,290,756,860.77
  5. Step 5: Solve for x
    x = 14,290,756,860.77/130,407.19
  6. Step 6: Final answer
    x = 109,585.65

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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.