Home / 365,010.12-547,155.34-128,186.73

Finding the Fourth Proportional to 365,010.12, 547,155.34 and 128,186.73

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Solution

The fourth proportional to 365,010.12, 547,155.34 and 128,186.73 is: 192,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,010.12 : 547,155.34 = 128,186.73 : x
  2. Step 2: Convert to fraction form
    365,010.12/547,155.34 = 128,186.73/x
  3. Step 3: Cross multiply
    365,010.12x = 547,155.34 × 128,186.73
  4. Step 4: Simplify right side
    365,010.12x = 70,138,053,836.64
  5. Step 5: Solve for x
    x = 70,138,053,836.64/365,010.12
  6. Step 6: Final answer
    x = 192,153.72

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1.5x scale

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.