Home / 84,115.22-126,206.49-34,199.15

Finding the Fourth Proportional to 84,115.22, 126,206.49 and 34,199.15

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Solution

The fourth proportional to 84,115.22, 126,206.49 and 34,199.15 is: 51,312.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,115.22 : 126,206.49 = 34,199.15 : x
  2. Step 2: Convert to fraction form
    84,115.22/126,206.49 = 34,199.15/x
  3. Step 3: Cross multiply
    84,115.22x = 126,206.49 × 34,199.15
  4. Step 4: Simplify right side
    84,115.22x = 4,316,154,682.48
  5. Step 5: Solve for x
    x = 4,316,154,682.48/84,115.22
  6. Step 6: Final answer
    x = 51,312.41

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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.