Home / 124,827.84-172,263.72-71,112.66

Finding the Fourth Proportional to 124,827.84, 172,263.72 and 71,112.66

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Solution

The fourth proportional to 124,827.84, 172,263.72 and 71,112.66 is: 98,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,827.84 : 172,263.72 = 71,112.66 : x
  2. Step 2: Convert to fraction form
    124,827.84/172,263.72 = 71,112.66/x
  3. Step 3: Cross multiply
    124,827.84x = 172,263.72 × 71,112.66
  4. Step 4: Simplify right side
    124,827.84x = 12,250,131,350.70
  5. Step 5: Solve for x
    x = 12,250,131,350.70/124,827.84
  6. Step 6: Final answer
    x = 98,136.21

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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.