Home / 124,782.95-172,200.57-68,194.33

Finding the Fourth Proportional to 124,782.95, 172,200.57 and 68,194.33

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Solution

The fourth proportional to 124,782.95, 172,200.57 and 68,194.33 is: 94,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,782.95 : 172,200.57 = 68,194.33 : x
  2. Step 2: Convert to fraction form
    124,782.95/172,200.57 = 68,194.33/x
  3. Step 3: Cross multiply
    124,782.95x = 172,200.57 × 68,194.33
  4. Step 4: Simplify right side
    124,782.95x = 11,743,102,155.80
  5. Step 5: Solve for x
    x = 11,743,102,155.80/124,782.95
  6. Step 6: Final answer
    x = 94,108.23

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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.