Home / 109,320.66-150,861.78-61,589.34

Finding the Fourth Proportional to 109,320.66, 150,861.78 and 61,589.34

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Solution

The fourth proportional to 109,320.66, 150,861.78 and 61,589.34 is: 84,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320.66 : 150,861.78 = 61,589.34 : x
  2. Step 2: Convert to fraction form
    109,320.66/150,861.78 = 61,589.34/x
  3. Step 3: Cross multiply
    109,320.66x = 150,861.78 × 61,589.34
  4. Step 4: Simplify right side
    109,320.66x = 9,291,477,461.43
  5. Step 5: Solve for x
    x = 9,291,477,461.43/109,320.66
  6. Step 6: Final answer
    x = 84,992.88

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1.5x scale

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.