Home / 126,798.31-174,979.52-70,208.47

Finding the Fourth Proportional to 126,798.31, 174,979.52 and 70,208.47

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Solution

The fourth proportional to 126,798.31, 174,979.52 and 70,208.47 is: 96,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,798.31 : 174,979.52 = 70,208.47 : x
  2. Step 2: Convert to fraction form
    126,798.31/174,979.52 = 70,208.47/x
  3. Step 3: Cross multiply
    126,798.31x = 174,979.52 × 70,208.47
  4. Step 4: Simplify right side
    126,798.31x = 12,285,043,505.64
  5. Step 5: Solve for x
    x = 12,285,043,505.64/126,798.31
  6. Step 6: Final answer
    x = 96,886.50

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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.