Home / 124,780.97-172,199.01-68,192.35

Finding the Fourth Proportional to 124,780.97, 172,199.01 and 68,192.35

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Solution

The fourth proportional to 124,780.97, 172,199.01 and 68,192.35 is: 94,106.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,780.97 : 172,199.01 = 68,192.35 : x
  2. Step 2: Convert to fraction form
    124,780.97/172,199.01 = 68,192.35/x
  3. Step 3: Cross multiply
    124,780.97x = 172,199.01 × 68,192.35
  4. Step 4: Simplify right side
    124,780.97x = 11,742,654,984.80
  5. Step 5: Solve for x
    x = 11,742,654,984.80/124,780.97
  6. Step 6: Final answer
    x = 94,106.13

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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.