Home / 236,827.38-326,817.93-129,395.10

Finding the Fourth Proportional to 236,827.38, 326,817.93 and 129,395.10

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Solution

The fourth proportional to 236,827.38, 326,817.93 and 129,395.10 is: 178,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,827.38 : 326,817.93 = 129,395.10 : x
  2. Step 2: Convert to fraction form
    236,827.38/326,817.93 = 129,395.10/x
  3. Step 3: Cross multiply
    236,827.38x = 326,817.93 × 129,395.10
  4. Step 4: Simplify right side
    236,827.38x = 42,288,638,734.14
  5. Step 5: Solve for x
    x = 42,288,638,734.14/236,827.38
  6. Step 6: Final answer
    x = 178,563.13

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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.