Home / 236,672.31-326,606.13-129,242.35

Finding the Fourth Proportional to 236,672.31, 326,606.13 and 129,242.35

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Solution

The fourth proportional to 236,672.31, 326,606.13 and 129,242.35 is: 178,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,672.31 : 326,606.13 = 129,242.35 : x
  2. Step 2: Convert to fraction form
    236,672.31/326,606.13 = 129,242.35/x
  3. Step 3: Cross multiply
    236,672.31x = 326,606.13 × 129,242.35
  4. Step 4: Simplify right side
    236,672.31x = 42,211,342,472.40
  5. Step 5: Solve for x
    x = 42,211,342,472.40/236,672.31
  6. Step 6: Final answer
    x = 178,353.53

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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.