Home / 126,998.78-175,266.21-70,410.15

Finding the Fourth Proportional to 126,998.78, 175,266.21 and 70,410.15

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Solution

The fourth proportional to 126,998.78, 175,266.21 and 70,410.15 is: 97,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,998.78 : 175,266.21 = 70,410.15 : x
  2. Step 2: Convert to fraction form
    126,998.78/175,266.21 = 70,410.15/x
  3. Step 3: Cross multiply
    126,998.78x = 175,266.21 × 70,410.15
  4. Step 4: Simplify right side
    126,998.78x = 12,340,520,574.20
  5. Step 5: Solve for x
    x = 12,340,520,574.20/126,998.78
  6. Step 6: Final answer
    x = 97,170.39

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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.