Home / 132,563.09-182,934.08-72,133.91

Finding the Fourth Proportional to 132,563.09, 182,934.08 and 72,133.91

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Solution

The fourth proportional to 132,563.09, 182,934.08 and 72,133.91 is: 99,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,563.09 : 182,934.08 = 72,133.91 : x
  2. Step 2: Convert to fraction form
    132,563.09/182,934.08 = 72,133.91/x
  3. Step 3: Cross multiply
    132,563.09x = 182,934.08 × 72,133.91
  4. Step 4: Simplify right side
    132,563.09x = 13,195,749,187.31
  5. Step 5: Solve for x
    x = 13,195,749,187.31/132,563.09
  6. Step 6: Final answer
    x = 99,543.16

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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.