Home / 106,423.20-159,416.10-53,862.30

Finding the Fourth Proportional to 106,423.20, 159,416.10 and 53,862.30

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Solution

The fourth proportional to 106,423.20, 159,416.10 and 53,862.30 is: 80,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,423.20 : 159,416.10 = 53,862.30 : x
  2. Step 2: Convert to fraction form
    106,423.20/159,416.10 = 53,862.30/x
  3. Step 3: Cross multiply
    106,423.20x = 159,416.10 × 53,862.30
  4. Step 4: Simplify right side
    106,423.20x = 8,586,517,803.03
  5. Step 5: Solve for x
    x = 8,586,517,803.03/106,423.20
  6. Step 6: Final answer
    x = 80,682.76

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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.