Home / 124,762.17-172,172.23-68,173.55

Finding the Fourth Proportional to 124,762.17, 172,172.23 and 68,173.55

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Solution

The fourth proportional to 124,762.17, 172,172.23 and 68,173.55 is: 94,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762.17 : 172,172.23 = 68,173.55 : x
  2. Step 2: Convert to fraction form
    124,762.17/172,172.23 = 68,173.55/x
  3. Step 3: Cross multiply
    124,762.17x = 172,172.23 × 68,173.55
  4. Step 4: Simplify right side
    124,762.17x = 11,737,591,269.66
  5. Step 5: Solve for x
    x = 11,737,591,269.66/124,762.17
  6. Step 6: Final answer
    x = 94,079.73

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1.5x scale

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.