Home / 236,487.60-326,354.04-129,059.87

Finding the Fourth Proportional to 236,487.60, 326,354.04 and 129,059.87

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Solution

The fourth proportional to 236,487.60, 326,354.04 and 129,059.87 is: 178,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,487.60 : 326,354.04 = 129,059.87 : x
  2. Step 2: Convert to fraction form
    236,487.60/326,354.04 = 129,059.87/x
  3. Step 3: Cross multiply
    236,487.60x = 326,354.04 × 129,059.87
  4. Step 4: Simplify right side
    236,487.60x = 42,119,208,344.60
  5. Step 5: Solve for x
    x = 42,119,208,344.60/236,487.60
  6. Step 6: Final answer
    x = 178,103.24

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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.