Home / 109,114.44-150,565.70-61,366.78

Finding the Fourth Proportional to 109,114.44, 150,565.70 and 61,366.78

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Solution

The fourth proportional to 109,114.44, 150,565.70 and 61,366.78 is: 84,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,114.44 : 150,565.70 = 61,366.78 : x
  2. Step 2: Convert to fraction form
    109,114.44/150,565.70 = 61,366.78/x
  3. Step 3: Cross multiply
    109,114.44x = 150,565.70 × 61,366.78
  4. Step 4: Simplify right side
    109,114.44x = 9,239,732,187.45
  5. Step 5: Solve for x
    x = 9,239,732,187.45/109,114.44
  6. Step 6: Final answer
    x = 84,679.28

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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.