Home / 161,463.85-222,850.95-106,919.88

Finding the Fourth Proportional to 161,463.85, 222,850.95 and 106,919.88

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Solution

The fourth proportional to 161,463.85, 222,850.95 and 106,919.88 is: 147,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,463.85 : 222,850.95 = 106,919.88 : x
  2. Step 2: Convert to fraction form
    161,463.85/222,850.95 = 106,919.88/x
  3. Step 3: Cross multiply
    161,463.85x = 222,850.95 × 106,919.88
  4. Step 4: Simplify right side
    161,463.85x = 23,827,196,831.89
  5. Step 5: Solve for x
    x = 23,827,196,831.89/161,463.85
  6. Step 6: Final answer
    x = 147,569.85

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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.