Home / 155,168.19-232,747.43-42,855.21

Finding the Fourth Proportional to 155,168.19, 232,747.43 and 42,855.21

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Solution

The fourth proportional to 155,168.19, 232,747.43 and 42,855.21 is: 64,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,168.19 : 232,747.43 = 42,855.21 : x
  2. Step 2: Convert to fraction form
    155,168.19/232,747.43 = 42,855.21/x
  3. Step 3: Cross multiply
    155,168.19x = 232,747.43 × 42,855.21
  4. Step 4: Simplify right side
    155,168.19x = 9,974,439,775.33
  5. Step 5: Solve for x
    x = 9,974,439,775.33/155,168.19
  6. Step 6: Final answer
    x = 64,281.47

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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.