Home / 109,312.64-150,849.92-61,566.56

Finding the Fourth Proportional to 109,312.64, 150,849.92 and 61,566.56

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Solution

The fourth proportional to 109,312.64, 150,849.92 and 61,566.56 is: 84,960.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,312.64 : 150,849.92 = 61,566.56 : x
  2. Step 2: Convert to fraction form
    109,312.64/150,849.92 = 61,566.56/x
  3. Step 3: Cross multiply
    109,312.64x = 150,849.92 × 61,566.56
  4. Step 4: Simplify right side
    109,312.64x = 9,287,310,650.68
  5. Step 5: Solve for x
    x = 9,287,310,650.68/109,312.64
  6. Step 6: Final answer
    x = 84,960.99

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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.