Home / 131,423.10-197,134.65-110,687.10

Finding the Fourth Proportional to 131,423.10, 197,134.65 and 110,687.10

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Solution

The fourth proportional to 131,423.10, 197,134.65 and 110,687.10 is: 166,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.10 : 197,134.65 = 110,687.10 : x
  2. Step 2: Convert to fraction form
    131,423.10/197,134.65 = 110,687.10/x
  3. Step 3: Cross multiply
    131,423.10x = 197,134.65 × 110,687.10
  4. Step 4: Simplify right side
    131,423.10x = 21,820,262,718.02
  5. Step 5: Solve for x
    x = 21,820,262,718.02/131,423.10
  6. Step 6: Final answer
    x = 166,030.65

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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.