Home / 132,871.10-199,305.80-48,637.13

Finding the Fourth Proportional to 132,871.10, 199,305.80 and 48,637.13

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Solution

The fourth proportional to 132,871.10, 199,305.80 and 48,637.13 is: 72,955.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871.10 : 199,305.80 = 48,637.13 : x
  2. Step 2: Convert to fraction form
    132,871.10/199,305.80 = 48,637.13/x
  3. Step 3: Cross multiply
    132,871.10x = 199,305.80 × 48,637.13
  4. Step 4: Simplify right side
    132,871.10x = 9,693,661,047.03
  5. Step 5: Solve for x
    x = 9,693,661,047.03/132,871.10
  6. Step 6: Final answer
    x = 72,955.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.