Home / 132,682.90-183,098.16-78,955.60

Finding the Fourth Proportional to 132,682.90, 183,098.16 and 78,955.60

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Solution

The fourth proportional to 132,682.90, 183,098.16 and 78,955.60 is: 108,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,682.90 : 183,098.16 = 78,955.60 : x
  2. Step 2: Convert to fraction form
    132,682.90/183,098.16 = 78,955.60/x
  3. Step 3: Cross multiply
    132,682.90x = 183,098.16 × 78,955.60
  4. Step 4: Simplify right side
    132,682.90x = 14,456,625,081.70
  5. Step 5: Solve for x
    x = 14,456,625,081.70/132,682.90
  6. Step 6: Final answer
    x = 108,956.20

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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.