Home / 148,661.21-222,872.87-77,548.19

Finding the Fourth Proportional to 148,661.21, 222,872.87 and 77,548.19

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Solution

The fourth proportional to 148,661.21, 222,872.87 and 77,548.19 is: 116,260.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,661.21 : 222,872.87 = 77,548.19 : x
  2. Step 2: Convert to fraction form
    148,661.21/222,872.87 = 77,548.19/x
  3. Step 3: Cross multiply
    148,661.21x = 222,872.87 × 77,548.19
  4. Step 4: Simplify right side
    148,661.21x = 17,283,386,748.11
  5. Step 5: Solve for x
    x = 17,283,386,748.11/148,661.21
  6. Step 6: Final answer
    x = 116,260.23

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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.