Home / 84,157.38-126,235.70-34,237.07

Finding the Fourth Proportional to 84,157.38, 126,235.70 and 34,237.07

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Solution

The fourth proportional to 84,157.38, 126,235.70 and 34,237.07 is: 51,355.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,157.38 : 126,235.70 = 34,237.07 : x
  2. Step 2: Convert to fraction form
    84,157.38/126,235.70 = 34,237.07/x
  3. Step 3: Cross multiply
    84,157.38x = 126,235.70 × 34,237.07
  4. Step 4: Simplify right side
    84,157.38x = 4,321,939,695.04
  5. Step 5: Solve for x
    x = 4,321,939,695.04/84,157.38
  6. Step 6: Final answer
    x = 51,355.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.