Home / 126,579.36-174,677.04-69,990.24

Finding the Fourth Proportional to 126,579.36, 174,677.04 and 69,990.24

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Solution

The fourth proportional to 126,579.36, 174,677.04 and 69,990.24 is: 96,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,579.36 : 174,677.04 = 69,990.24 : x
  2. Step 2: Convert to fraction form
    126,579.36/174,677.04 = 69,990.24/x
  3. Step 3: Cross multiply
    126,579.36x = 174,677.04 × 69,990.24
  4. Step 4: Simplify right side
    126,579.36x = 12,225,687,952.09
  5. Step 5: Solve for x
    x = 12,225,687,952.09/126,579.36
  6. Step 6: Final answer
    x = 96,585.16

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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.