Home / 130,287.04-179,748.24-79,279.04

Finding the Fourth Proportional to 130,287.04, 179,748.24 and 79,279.04

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Solution

The fourth proportional to 130,287.04, 179,748.24 and 79,279.04 is: 109,375.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,287.04 : 179,748.24 = 79,279.04 : x
  2. Step 2: Convert to fraction form
    130,287.04/179,748.24 = 79,279.04/x
  3. Step 3: Cross multiply
    130,287.04x = 179,748.24 × 79,279.04
  4. Step 4: Simplify right side
    130,287.04x = 14,250,267,908.89
  5. Step 5: Solve for x
    x = 14,250,267,908.89/130,287.04
  6. Step 6: Final answer
    x = 109,375.94

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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.