Home / 181,056.60-248,971.86-157,141.62

Finding the Fourth Proportional to 181,056.60, 248,971.86 and 157,141.62

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Solution

The fourth proportional to 181,056.60, 248,971.86 and 157,141.62 is: 216,086.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,056.60 : 248,971.86 = 157,141.62 : x
  2. Step 2: Convert to fraction form
    181,056.60/248,971.86 = 157,141.62/x
  3. Step 3: Cross multiply
    181,056.60x = 248,971.86 × 157,141.62
  4. Step 4: Simplify right side
    181,056.60x = 39,123,841,414.81
  5. Step 5: Solve for x
    x = 39,123,841,414.81/181,056.60
  6. Step 6: Final answer
    x = 216,086.25

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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.