Home / 181,780.40-250,792.02-105,257.72

Finding the Fourth Proportional to 181,780.40, 250,792.02 and 105,257.72

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Solution

The fourth proportional to 181,780.40, 250,792.02 and 105,257.72 is: 145,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,780.40 : 250,792.02 = 105,257.72 : x
  2. Step 2: Convert to fraction form
    181,780.40/250,792.02 = 105,257.72/x
  3. Step 3: Cross multiply
    181,780.40x = 250,792.02 × 105,257.72
  4. Step 4: Simplify right side
    181,780.40x = 26,397,796,219.39
  5. Step 5: Solve for x
    x = 26,397,796,219.39/181,780.40
  6. Step 6: Final answer
    x = 145,218.06

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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.