Home / 236,618.46-326,532.02-129,188.50

Finding the Fourth Proportional to 236,618.46, 326,532.02 and 129,188.50

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Solution

The fourth proportional to 236,618.46, 326,532.02 and 129,188.50 is: 178,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,618.46 : 326,532.02 = 129,188.50 : x
  2. Step 2: Convert to fraction form
    236,618.46/326,532.02 = 129,188.50/x
  3. Step 3: Cross multiply
    236,618.46x = 326,532.02 × 129,188.50
  4. Step 4: Simplify right side
    236,618.46x = 42,184,180,403.50
  5. Step 5: Solve for x
    x = 42,184,180,403.50/236,618.46
  6. Step 6: Final answer
    x = 178,279.33

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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.