Home / 132,567.48-182,943.45-72,138.09

Finding the Fourth Proportional to 132,567.48, 182,943.45 and 72,138.09

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Solution

The fourth proportional to 132,567.48, 182,943.45 and 72,138.09 is: 99,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,567.48 : 182,943.45 = 72,138.09 : x
  2. Step 2: Convert to fraction form
    132,567.48/182,943.45 = 72,138.09/x
  3. Step 3: Cross multiply
    132,567.48x = 182,943.45 × 72,138.09
  4. Step 4: Simplify right side
    132,567.48x = 13,197,191,061.01
  5. Step 5: Solve for x
    x = 13,197,191,061.01/132,567.48
  6. Step 6: Final answer
    x = 99,550.74

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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.