Home / 149,456.40-224,062.56-69,544.32

Finding the Fourth Proportional to 149,456.40, 224,062.56 and 69,544.32

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Solution

The fourth proportional to 149,456.40, 224,062.56 and 69,544.32 is: 104,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,456.40 : 224,062.56 = 69,544.32 : x
  2. Step 2: Convert to fraction form
    149,456.40/224,062.56 = 69,544.32/x
  3. Step 3: Cross multiply
    149,456.40x = 224,062.56 × 69,544.32
  4. Step 4: Simplify right side
    149,456.40x = 15,582,278,372.66
  5. Step 5: Solve for x
    x = 15,582,278,372.66/149,456.40
  6. Step 6: Final answer
    x = 104,259.69

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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.