Home / 155,242.57-232,790.14-70,977.73

Finding the Fourth Proportional to 155,242.57, 232,790.14 and 70,977.73

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Solution

The fourth proportional to 155,242.57, 232,790.14 and 70,977.73 is: 106,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,242.57 : 232,790.14 = 70,977.73 : x
  2. Step 2: Convert to fraction form
    155,242.57/232,790.14 = 70,977.73/x
  3. Step 3: Cross multiply
    155,242.57x = 232,790.14 × 70,977.73
  4. Step 4: Simplify right side
    155,242.57x = 16,522,915,703.58
  5. Step 5: Solve for x
    x = 16,522,915,703.58/155,242.57
  6. Step 6: Final answer
    x = 106,432.89

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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.