Home / 132,359.94-182,659.05-78,686.10

Finding the Fourth Proportional to 132,359.94, 182,659.05 and 78,686.10

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Solution

The fourth proportional to 132,359.94, 182,659.05 and 78,686.10 is: 108,588.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.94 : 182,659.05 = 78,686.10 : x
  2. Step 2: Convert to fraction form
    132,359.94/182,659.05 = 78,686.10/x
  3. Step 3: Cross multiply
    132,359.94x = 182,659.05 × 78,686.10
  4. Step 4: Simplify right side
    132,359.94x = 14,372,728,274.21
  5. Step 5: Solve for x
    x = 14,372,728,274.21/132,359.94
  6. Step 6: Final answer
    x = 108,588.20

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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.