Home / 124,883.80-172,339.58-68,295.20

Finding the Fourth Proportional to 124,883.80, 172,339.58 and 68,295.20

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Solution

The fourth proportional to 124,883.80, 172,339.58 and 68,295.20 is: 94,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,883.80 : 172,339.58 = 68,295.20 : x
  2. Step 2: Convert to fraction form
    124,883.80/172,339.58 = 68,295.20/x
  3. Step 3: Cross multiply
    124,883.80x = 172,339.58 × 68,295.20
  4. Step 4: Simplify right side
    124,883.80x = 11,769,966,084.02
  5. Step 5: Solve for x
    x = 11,769,966,084.02/124,883.80
  6. Step 6: Final answer
    x = 94,247.34

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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.