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Finding the Fourth Proportional to 161,435.79, 222,775.80 and 88,831.89

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Solution

The fourth proportional to 161,435.79, 222,775.80 and 88,831.89 is: 122,584.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,435.79 : 222,775.80 = 88,831.89 : x
  2. Step 2: Convert to fraction form
    161,435.79/222,775.80 = 88,831.89/x
  3. Step 3: Cross multiply
    161,435.79x = 222,775.80 × 88,831.89
  4. Step 4: Simplify right side
    161,435.79x = 19,789,595,590.26
  5. Step 5: Solve for x
    x = 19,789,595,590.26/161,435.79
  6. Step 6: Final answer
    x = 122,584.93

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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.