Home / 126,312.84-174,310.65-69,723

Finding the Fourth Proportional to 126,312.84, 174,310.65 and 69,723

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Solution

The fourth proportional to 126,312.84, 174,310.65 and 69,723 is: 96,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,312.84 : 174,310.65 = 69,723 : x
  2. Step 2: Convert to fraction form
    126,312.84/174,310.65 = 69,723/x
  3. Step 3: Cross multiply
    126,312.84x = 174,310.65 × 69,723
  4. Step 4: Simplify right side
    126,312.84x = 12,153,461,449.95
  5. Step 5: Solve for x
    x = 12,153,461,449.95/126,312.84
  6. Step 6: Final answer
    x = 96,217.15

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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.