Home / 132,345.50-182,562.86-81,322.79

Finding the Fourth Proportional to 132,345.50, 182,562.86 and 81,322.79

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Solution

The fourth proportional to 132,345.50, 182,562.86 and 81,322.79 is: 112,180.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,345.50 : 182,562.86 = 81,322.79 : x
  2. Step 2: Convert to fraction form
    132,345.50/182,562.86 = 81,322.79/x
  3. Step 3: Cross multiply
    132,345.50x = 182,562.86 × 81,322.79
  4. Step 4: Simplify right side
    132,345.50x = 14,846,520,416.07
  5. Step 5: Solve for x
    x = 14,846,520,416.07/132,345.50
  6. Step 6: Final answer
    x = 112,180.02

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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.