Home / 157,233.30-235,331.55-121,982.10

Finding the Fourth Proportional to 157,233.30, 235,331.55 and 121,982.10

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Solution

The fourth proportional to 157,233.30, 235,331.55 and 121,982.10 is: 182,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,233.30 : 235,331.55 = 121,982.10 : x
  2. Step 2: Convert to fraction form
    157,233.30/235,331.55 = 121,982.10/x
  3. Step 3: Cross multiply
    157,233.30x = 235,331.55 × 121,982.10
  4. Step 4: Simplify right side
    157,233.30x = 28,706,236,665.26
  5. Step 5: Solve for x
    x = 28,706,236,665.26/157,233.30
  6. Step 6: Final answer
    x = 182,570.97

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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.