Home / 109,997.29-151,797.18-64,676.17

Finding the Fourth Proportional to 109,997.29, 151,797.18 and 64,676.17

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Solution

The fourth proportional to 109,997.29, 151,797.18 and 64,676.17 is: 89,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,997.29 : 151,797.18 = 64,676.17 : x
  2. Step 2: Convert to fraction form
    109,997.29/151,797.18 = 64,676.17/x
  3. Step 3: Cross multiply
    109,997.29x = 151,797.18 × 64,676.17
  4. Step 4: Simplify right side
    109,997.29x = 9,817,660,219.20
  5. Step 5: Solve for x
    x = 9,817,660,219.20/109,997.29
  6. Step 6: Final answer
    x = 89,253.66

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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.