Home / 129,791.04-179,077.68-76,047.24

Finding the Fourth Proportional to 129,791.04, 179,077.68 and 76,047.24

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Solution

The fourth proportional to 129,791.04, 179,077.68 and 76,047.24 is: 104,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,791.04 : 179,077.68 = 76,047.24 : x
  2. Step 2: Convert to fraction form
    129,791.04/179,077.68 = 76,047.24/x
  3. Step 3: Cross multiply
    129,791.04x = 179,077.68 × 76,047.24
  4. Step 4: Simplify right side
    129,791.04x = 13,618,363,309.60
  5. Step 5: Solve for x
    x = 13,618,363,309.60/129,791.04
  6. Step 6: Final answer
    x = 104,925.30

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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.