Home / 132,290.28-182,589.47-81,346.85

Finding the Fourth Proportional to 132,290.28, 182,589.47 and 81,346.85

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Solution

The fourth proportional to 132,290.28, 182,589.47 and 81,346.85 is: 112,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.28 : 182,589.47 = 81,346.85 : x
  2. Step 2: Convert to fraction form
    132,290.28/182,589.47 = 81,346.85/x
  3. Step 3: Cross multiply
    132,290.28x = 182,589.47 × 81,346.85
  4. Step 4: Simplify right side
    132,290.28x = 14,853,076,907.99
  5. Step 5: Solve for x
    x = 14,853,076,907.99/132,290.28
  6. Step 6: Final answer
    x = 112,276.40

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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.