Home / 130,100.24-179,545.18-79,104.52

Finding the Fourth Proportional to 130,100.24, 179,545.18 and 79,104.52

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Solution

The fourth proportional to 130,100.24, 179,545.18 and 79,104.52 is: 109,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,100.24 : 179,545.18 = 79,104.52 : x
  2. Step 2: Convert to fraction form
    130,100.24/179,545.18 = 79,104.52/x
  3. Step 3: Cross multiply
    130,100.24x = 179,545.18 × 79,104.52
  4. Step 4: Simplify right side
    130,100.24x = 14,202,835,282.21
  5. Step 5: Solve for x
    x = 14,202,835,282.21/130,100.24
  6. Step 6: Final answer
    x = 109,168.40

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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.