Home / 132,334.56-182,601.14-78,618.20

Finding the Fourth Proportional to 132,334.56, 182,601.14 and 78,618.20

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Solution

The fourth proportional to 132,334.56, 182,601.14 and 78,618.20 is: 108,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,334.56 : 182,601.14 = 78,618.20 : x
  2. Step 2: Convert to fraction form
    132,334.56/182,601.14 = 78,618.20/x
  3. Step 3: Cross multiply
    132,334.56x = 182,601.14 × 78,618.20
  4. Step 4: Simplify right side
    132,334.56x = 14,355,771,638.65
  5. Step 5: Solve for x
    x = 14,355,771,638.65/132,334.56
  6. Step 6: Final answer
    x = 108,480.90

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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.