Home / 155,515.29-214,311.45-113,006.49

Finding the Fourth Proportional to 155,515.29, 214,311.45 and 113,006.49

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Solution

The fourth proportional to 155,515.29, 214,311.45 and 113,006.49 is: 155,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,515.29 : 214,311.45 = 113,006.49 : x
  2. Step 2: Convert to fraction form
    155,515.29/214,311.45 = 113,006.49/x
  3. Step 3: Cross multiply
    155,515.29x = 214,311.45 × 113,006.49
  4. Step 4: Simplify right side
    155,515.29x = 24,218,584,731.31
  5. Step 5: Solve for x
    x = 24,218,584,731.31/155,515.29
  6. Step 6: Final answer
    x = 155,731.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.