Home / 124,788.60-172,208.70-68,200.92

Finding the Fourth Proportional to 124,788.60, 172,208.70 and 68,200.92

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Solution

The fourth proportional to 124,788.60, 172,208.70 and 68,200.92 is: 94,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,788.60 : 172,208.70 = 68,200.92 : x
  2. Step 2: Convert to fraction form
    124,788.60/172,208.70 = 68,200.92/x
  3. Step 3: Cross multiply
    124,788.60x = 172,208.70 × 68,200.92
  4. Step 4: Simplify right side
    124,788.60x = 11,744,791,772.00
  5. Step 5: Solve for x
    x = 11,744,791,772.00/124,788.60
  6. Step 6: Final answer
    x = 94,117.51

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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.