Home / 124,711.80-172,095.84-68,112.24

Finding the Fourth Proportional to 124,711.80, 172,095.84 and 68,112.24

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Solution

The fourth proportional to 124,711.80, 172,095.84 and 68,112.24 is: 93,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,711.80 : 172,095.84 = 68,112.24 : x
  2. Step 2: Convert to fraction form
    124,711.80/172,095.84 = 68,112.24/x
  3. Step 3: Cross multiply
    124,711.80x = 172,095.84 × 68,112.24
  4. Step 4: Simplify right side
    124,711.80x = 11,721,833,157.08
  5. Step 5: Solve for x
    x = 11,721,833,157.08/124,711.80
  6. Step 6: Final answer
    x = 93,991.37

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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.