Home / 126,799.31-174,980.90-70,209.47

Finding the Fourth Proportional to 126,799.31, 174,980.90 and 70,209.47

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Solution

The fourth proportional to 126,799.31, 174,980.90 and 70,209.47 is: 96,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,799.31 : 174,980.90 = 70,209.47 : x
  2. Step 2: Convert to fraction form
    126,799.31/174,980.90 = 70,209.47/x
  3. Step 3: Cross multiply
    126,799.31x = 174,980.90 × 70,209.47
  4. Step 4: Simplify right side
    126,799.31x = 12,285,316,249.12
  5. Step 5: Solve for x
    x = 12,285,316,249.12/126,799.31
  6. Step 6: Final answer
    x = 96,887.88

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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.