Home / 126,726.96-174,888.72-70,138.32

Finding the Fourth Proportional to 126,726.96, 174,888.72 and 70,138.32

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Solution

The fourth proportional to 126,726.96, 174,888.72 and 70,138.32 is: 96,793.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726.96 : 174,888.72 = 70,138.32 : x
  2. Step 2: Convert to fraction form
    126,726.96/174,888.72 = 70,138.32/x
  3. Step 3: Cross multiply
    126,726.96x = 174,888.72 × 70,138.32
  4. Step 4: Simplify right side
    126,726.96x = 12,266,401,007.75
  5. Step 5: Solve for x
    x = 12,266,401,007.75/126,726.96
  6. Step 6: Final answer
    x = 96,793.93

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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.