Home / 126,809.56-174,995.02-70,219.72

Finding the Fourth Proportional to 126,809.56, 174,995.02 and 70,219.72

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Solution

The fourth proportional to 126,809.56, 174,995.02 and 70,219.72 is: 96,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,809.56 : 174,995.02 = 70,219.72 : x
  2. Step 2: Convert to fraction form
    126,809.56/174,995.02 = 70,219.72/x
  3. Step 3: Cross multiply
    126,809.56x = 174,995.02 × 70,219.72
  4. Step 4: Simplify right side
    126,809.56x = 12,288,101,305.79
  5. Step 5: Solve for x
    x = 12,288,101,305.79/126,809.56
  6. Step 6: Final answer
    x = 96,902.01

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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.