Home / 109,134.24-163,757.28-64,220.88

Finding the Fourth Proportional to 109,134.24, 163,757.28 and 64,220.88

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Solution

The fourth proportional to 109,134.24, 163,757.28 and 64,220.88 is: 96,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,134.24 : 163,757.28 = 64,220.88 : x
  2. Step 2: Convert to fraction form
    109,134.24/163,757.28 = 64,220.88/x
  3. Step 3: Cross multiply
    109,134.24x = 163,757.28 × 64,220.88
  4. Step 4: Simplify right side
    109,134.24x = 10,516,636,628.01
  5. Step 5: Solve for x
    x = 10,516,636,628.01/109,134.24
  6. Step 6: Final answer
    x = 96,364.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.