Home / 208,687.08-287,946.18-132,236.04

Finding the Fourth Proportional to 208,687.08, 287,946.18 and 132,236.04

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Solution

The fourth proportional to 208,687.08, 287,946.18 and 132,236.04 is: 182,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,687.08 : 287,946.18 = 132,236.04 : x
  2. Step 2: Convert to fraction form
    208,687.08/287,946.18 = 132,236.04/x
  3. Step 3: Cross multiply
    208,687.08x = 287,946.18 × 132,236.04
  4. Step 4: Simplify right side
    208,687.08x = 38,076,862,576.33
  5. Step 5: Solve for x
    x = 38,076,862,576.33/208,687.08
  6. Step 6: Final answer
    x = 182,459.13

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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.