Home / 155,278.38-232,966.80-55,436.44

Finding the Fourth Proportional to 155,278.38, 232,966.80 and 55,436.44

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Solution

The fourth proportional to 155,278.38, 232,966.80 and 55,436.44 is: 83,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,278.38 : 232,966.80 = 55,436.44 : x
  2. Step 2: Convert to fraction form
    155,278.38/232,966.80 = 55,436.44/x
  3. Step 3: Cross multiply
    155,278.38x = 232,966.80 × 55,436.44
  4. Step 4: Simplify right side
    155,278.38x = 12,914,850,030.19
  5. Step 5: Solve for x
    x = 12,914,850,030.19/155,278.38
  6. Step 6: Final answer
    x = 83,172.24

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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.