Home / 126,569.25-174,809.07-86,213.03

Finding the Fourth Proportional to 126,569.25, 174,809.07 and 86,213.03

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Solution

The fourth proportional to 126,569.25, 174,809.07 and 86,213.03 is: 119,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,569.25 : 174,809.07 = 86,213.03 : x
  2. Step 2: Convert to fraction form
    126,569.25/174,809.07 = 86,213.03/x
  3. Step 3: Cross multiply
    126,569.25x = 174,809.07 × 86,213.03
  4. Step 4: Simplify right side
    126,569.25x = 15,070,818,722.14
  5. Step 5: Solve for x
    x = 15,070,818,722.14/126,569.25
  6. Step 6: Final answer
    x = 119,071.72

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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.