Home / 126,238.10-174,195.90-74,547.14

Finding the Fourth Proportional to 126,238.10, 174,195.90 and 74,547.14

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Solution

The fourth proportional to 126,238.10, 174,195.90 and 74,547.14 is: 102,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,238.10 : 174,195.90 = 74,547.14 : x
  2. Step 2: Convert to fraction form
    126,238.10/174,195.90 = 74,547.14/x
  3. Step 3: Cross multiply
    126,238.10x = 174,195.90 × 74,547.14
  4. Step 4: Simplify right side
    126,238.10x = 12,985,805,273.75
  5. Step 5: Solve for x
    x = 12,985,805,273.75/126,238.10
  6. Step 6: Final answer
    x = 102,867.56

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1.5x scale

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.