Home / 126,971.08-175,215.06-69,609.16

Finding the Fourth Proportional to 126,971.08, 175,215.06 and 69,609.16

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Solution

The fourth proportional to 126,971.08, 175,215.06 and 69,609.16 is: 96,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,971.08 : 175,215.06 = 69,609.16 : x
  2. Step 2: Convert to fraction form
    126,971.08/175,215.06 = 69,609.16/x
  3. Step 3: Cross multiply
    126,971.08x = 175,215.06 × 69,609.16
  4. Step 4: Simplify right side
    126,971.08x = 12,196,573,145.95
  5. Step 5: Solve for x
    x = 12,196,573,145.95/126,971.08
  6. Step 6: Final answer
    x = 96,057.88

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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.