Home / 106,146.12-159,031.44-56,115.24

Finding the Fourth Proportional to 106,146.12, 159,031.44 and 56,115.24

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Solution

The fourth proportional to 106,146.12, 159,031.44 and 56,115.24 is: 84,073.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,146.12 : 159,031.44 = 56,115.24 : x
  2. Step 2: Convert to fraction form
    106,146.12/159,031.44 = 56,115.24/x
  3. Step 3: Cross multiply
    106,146.12x = 159,031.44 × 56,115.24
  4. Step 4: Simplify right side
    106,146.12x = 8,924,087,423.15
  5. Step 5: Solve for x
    x = 8,924,087,423.15/106,146.12
  6. Step 6: Final answer
    x = 84,073.61

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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.