Home / 126,977.34-175,216.95-70,383.90

Finding the Fourth Proportional to 126,977.34, 175,216.95 and 70,383.90

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Solution

The fourth proportional to 126,977.34, 175,216.95 and 70,383.90 is: 97,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,977.34 : 175,216.95 = 70,383.90 : x
  2. Step 2: Convert to fraction form
    126,977.34/175,216.95 = 70,383.90/x
  3. Step 3: Cross multiply
    126,977.34x = 175,216.95 × 70,383.90
  4. Step 4: Simplify right side
    126,977.34x = 12,332,452,287.11
  5. Step 5: Solve for x
    x = 12,332,452,287.11/126,977.34
  6. Step 6: Final answer
    x = 97,123.25

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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.