Home / 207,255.56-286,034.82-126,730.28

Finding the Fourth Proportional to 207,255.56, 286,034.82 and 126,730.28

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Solution

The fourth proportional to 207,255.56, 286,034.82 and 126,730.28 is: 174,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,255.56 : 286,034.82 = 126,730.28 : x
  2. Step 2: Convert to fraction form
    207,255.56/286,034.82 = 126,730.28/x
  3. Step 3: Cross multiply
    207,255.56x = 286,034.82 × 126,730.28
  4. Step 4: Simplify right side
    207,255.56x = 36,249,272,828.35
  5. Step 5: Solve for x
    x = 36,249,272,828.35/207,255.56
  6. Step 6: Final answer
    x = 174,901.33

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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.