Home / 131,986.64-182,152.08-74,638.04

Finding the Fourth Proportional to 131,986.64, 182,152.08 and 74,638.04

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Solution

The fourth proportional to 131,986.64, 182,152.08 and 74,638.04 is: 103,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,986.64 : 182,152.08 = 74,638.04 : x
  2. Step 2: Convert to fraction form
    131,986.64/182,152.08 = 74,638.04/x
  3. Step 3: Cross multiply
    131,986.64x = 182,152.08 × 74,638.04
  4. Step 4: Simplify right side
    131,986.64x = 13,595,473,322.36
  5. Step 5: Solve for x
    x = 13,595,473,322.36/131,986.64
  6. Step 6: Final answer
    x = 103,006.43

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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.