Home / 181,146.78-250,018.02-115,693.56

Finding the Fourth Proportional to 181,146.78, 250,018.02 and 115,693.56

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Solution

The fourth proportional to 181,146.78, 250,018.02 and 115,693.56 is: 159,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,146.78 : 250,018.02 = 115,693.56 : x
  2. Step 2: Convert to fraction form
    181,146.78/250,018.02 = 115,693.56/x
  3. Step 3: Cross multiply
    181,146.78x = 250,018.02 × 115,693.56
  4. Step 4: Simplify right side
    181,146.78x = 28,925,474,797.95
  5. Step 5: Solve for x
    x = 28,925,474,797.95/181,146.78
  6. Step 6: Final answer
    x = 159,679.76

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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.