Home / 132,370.02-198,469.86-87,339.30

Finding the Fourth Proportional to 132,370.02, 198,469.86 and 87,339.30

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Solution

The fourth proportional to 132,370.02, 198,469.86 and 87,339.30 is: 130,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,370.02 : 198,469.86 = 87,339.30 : x
  2. Step 2: Convert to fraction form
    132,370.02/198,469.86 = 87,339.30/x
  3. Step 3: Cross multiply
    132,370.02x = 198,469.86 × 87,339.30
  4. Step 4: Simplify right side
    132,370.02x = 17,334,218,643.50
  5. Step 5: Solve for x
    x = 17,334,218,643.50/132,370.02
  6. Step 6: Final answer
    x = 130,952.75

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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.