Home / 84,171.02-126,261.89-34,223.82

Finding the Fourth Proportional to 84,171.02, 126,261.89 and 34,223.82

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Solution

The fourth proportional to 84,171.02, 126,261.89 and 34,223.82 is: 51,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,171.02 : 126,261.89 = 34,223.82 : x
  2. Step 2: Convert to fraction form
    84,171.02/126,261.89 = 34,223.82/x
  3. Step 3: Cross multiply
    84,171.02x = 126,261.89 × 34,223.82
  4. Step 4: Simplify right side
    84,171.02x = 4,321,163,679.96
  5. Step 5: Solve for x
    x = 4,321,163,679.96/84,171.02
  6. Step 6: Final answer
    x = 51,337.90

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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.