Home / 148,390.72-222,643.02-89,268.28

Finding the Fourth Proportional to 148,390.72, 222,643.02 and 89,268.28

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Solution

The fourth proportional to 148,390.72, 222,643.02 and 89,268.28 is: 133,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,390.72 : 222,643.02 = 89,268.28 : x
  2. Step 2: Convert to fraction form
    148,390.72/222,643.02 = 89,268.28/x
  3. Step 3: Cross multiply
    148,390.72x = 222,643.02 × 89,268.28
  4. Step 4: Simplify right side
    148,390.72x = 19,874,959,449.41
  5. Step 5: Solve for x
    x = 19,874,959,449.41/148,390.72
  6. Step 6: Final answer
    x = 133,936.67

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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.