Home / 124,869.06-172,315.80-68,276.79

Finding the Fourth Proportional to 124,869.06, 172,315.80 and 68,276.79

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Solution

The fourth proportional to 124,869.06, 172,315.80 and 68,276.79 is: 94,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,869.06 : 172,315.80 = 68,276.79 : x
  2. Step 2: Convert to fraction form
    124,869.06/172,315.80 = 68,276.79/x
  3. Step 3: Cross multiply
    124,869.06x = 172,315.80 × 68,276.79
  4. Step 4: Simplify right side
    124,869.06x = 11,765,169,690.28
  5. Step 5: Solve for x
    x = 11,765,169,690.28/124,869.06
  6. Step 6: Final answer
    x = 94,220.05

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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.