Home / 155,290.48-232,769.60-80,335.16

Finding the Fourth Proportional to 155,290.48, 232,769.60 and 80,335.16

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Solution

The fourth proportional to 155,290.48, 232,769.60 and 80,335.16 is: 120,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,290.48 : 232,769.60 = 80,335.16 : x
  2. Step 2: Convert to fraction form
    155,290.48/232,769.60 = 80,335.16/x
  3. Step 3: Cross multiply
    155,290.48x = 232,769.60 × 80,335.16
  4. Step 4: Simplify right side
    155,290.48x = 18,699,583,059.14
  5. Step 5: Solve for x
    x = 18,699,583,059.14/155,290.48
  6. Step 6: Final answer
    x = 120,416.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.