Home / 155,296.60-232,999.56-76,466.20

Finding the Fourth Proportional to 155,296.60, 232,999.56 and 76,466.20

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Solution

The fourth proportional to 155,296.60, 232,999.56 and 76,466.20 is: 114,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,296.60 : 232,999.56 = 76,466.20 : x
  2. Step 2: Convert to fraction form
    155,296.60/232,999.56 = 76,466.20/x
  3. Step 3: Cross multiply
    155,296.60x = 232,999.56 × 76,466.20
  4. Step 4: Simplify right side
    155,296.60x = 17,816,590,954.87
  5. Step 5: Solve for x
    x = 17,816,590,954.87/155,296.60
  6. Step 6: Final answer
    x = 114,726.21

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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.