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Finding the Fourth Proportional to 157,324.48, 235,799.30 and 90,626.45

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Solution

The fourth proportional to 157,324.48, 235,799.30 and 90,626.45 is: 135,831.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,324.48 : 235,799.30 = 90,626.45 : x
  2. Step 2: Convert to fraction form
    157,324.48/235,799.30 = 90,626.45/x
  3. Step 3: Cross multiply
    157,324.48x = 235,799.30 × 90,626.45
  4. Step 4: Simplify right side
    157,324.48x = 21,369,652,519.05
  5. Step 5: Solve for x
    x = 21,369,652,519.05/157,324.48
  6. Step 6: Final answer
    x = 135,831.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.