Home / 109,074.40-150,518.82-61,330.48

Finding the Fourth Proportional to 109,074.40, 150,518.82 and 61,330.48

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Solution

The fourth proportional to 109,074.40, 150,518.82 and 61,330.48 is: 84,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,074.40 : 150,518.82 = 61,330.48 : x
  2. Step 2: Convert to fraction form
    109,074.40/150,518.82 = 61,330.48/x
  3. Step 3: Cross multiply
    109,074.40x = 150,518.82 × 61,330.48
  4. Step 4: Simplify right side
    109,074.40x = 9,231,391,479.63
  5. Step 5: Solve for x
    x = 9,231,391,479.63/109,074.40
  6. Step 6: Final answer
    x = 84,633.90

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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.