Home / 129,072.80-193,579.96-49,082.24

Finding the Fourth Proportional to 129,072.80, 193,579.96 and 49,082.24

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Solution

The fourth proportional to 129,072.80, 193,579.96 and 49,082.24 is: 73,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,072.80 : 193,579.96 = 49,082.24 : x
  2. Step 2: Convert to fraction form
    129,072.80/193,579.96 = 49,082.24/x
  3. Step 3: Cross multiply
    129,072.80x = 193,579.96 × 49,082.24
  4. Step 4: Simplify right side
    129,072.80x = 9,501,338,055.91
  5. Step 5: Solve for x
    x = 9,501,338,055.91/129,072.80
  6. Step 6: Final answer
    x = 73,612.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.