Home / 84,623.24-126,902.04-45,158.82

Finding the Fourth Proportional to 84,623.24, 126,902.04 and 45,158.82

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Solution

The fourth proportional to 84,623.24, 126,902.04 and 45,158.82 is: 67,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,623.24 : 126,902.04 = 45,158.82 : x
  2. Step 2: Convert to fraction form
    84,623.24/126,902.04 = 45,158.82/x
  3. Step 3: Cross multiply
    84,623.24x = 126,902.04 × 45,158.82
  4. Step 4: Simplify right side
    84,623.24x = 5,730,746,381.99
  5. Step 5: Solve for x
    x = 5,730,746,381.99/84,623.24
  6. Step 6: Final answer
    x = 67,720.72

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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.