Home / 126,514.10-174,607.01-72,798.10

Finding the Fourth Proportional to 126,514.10, 174,607.01 and 72,798.10

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Solution

The fourth proportional to 126,514.10, 174,607.01 and 72,798.10 is: 100,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,514.10 : 174,607.01 = 72,798.10 : x
  2. Step 2: Convert to fraction form
    126,514.10/174,607.01 = 72,798.10/x
  3. Step 3: Cross multiply
    126,514.10x = 174,607.01 × 72,798.10
  4. Step 4: Simplify right side
    126,514.10x = 12,711,058,574.68
  5. Step 5: Solve for x
    x = 12,711,058,574.68/126,514.10
  6. Step 6: Final answer
    x = 100,471.48

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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.