Home / 132,567.32-182,942.94-72,138.20

Finding the Fourth Proportional to 132,567.32, 182,942.94 and 72,138.20

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Solution

The fourth proportional to 132,567.32, 182,942.94 and 72,138.20 is: 99,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,567.32 : 182,942.94 = 72,138.20 : x
  2. Step 2: Convert to fraction form
    132,567.32/182,942.94 = 72,138.20/x
  3. Step 3: Cross multiply
    132,567.32x = 182,942.94 × 72,138.20
  4. Step 4: Simplify right side
    132,567.32x = 13,197,174,394.31
  5. Step 5: Solve for x
    x = 13,197,174,394.31/132,567.32
  6. Step 6: Final answer
    x = 99,550.74

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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.