Home / 155,560.50-214,221.38-135,133.18

Finding the Fourth Proportional to 155,560.50, 214,221.38 and 135,133.18

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Solution

The fourth proportional to 155,560.50, 214,221.38 and 135,133.18 is: 186,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,560.50 : 214,221.38 = 135,133.18 : x
  2. Step 2: Convert to fraction form
    155,560.50/214,221.38 = 135,133.18/x
  3. Step 3: Cross multiply
    155,560.50x = 214,221.38 × 135,133.18
  4. Step 4: Simplify right side
    155,560.50x = 28,948,415,092.17
  5. Step 5: Solve for x
    x = 28,948,415,092.17/155,560.50
  6. Step 6: Final answer
    x = 186,091.04

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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.