Home / 155,278.27-232,860.12-55,411.75

Finding the Fourth Proportional to 155,278.27, 232,860.12 and 55,411.75

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Solution

The fourth proportional to 155,278.27, 232,860.12 and 55,411.75 is: 83,097.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,278.27 : 232,860.12 = 55,411.75 : x
  2. Step 2: Convert to fraction form
    155,278.27/232,860.12 = 55,411.75/x
  3. Step 3: Cross multiply
    155,278.27x = 232,860.12 × 55,411.75
  4. Step 4: Simplify right side
    155,278.27x = 12,903,186,754.41
  5. Step 5: Solve for x
    x = 12,903,186,754.41/155,278.27
  6. Step 6: Final answer
    x = 83,097.18

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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.