Home / 103,271.10-154,906.65-91,995.90

Finding the Fourth Proportional to 103,271.10, 154,906.65 and 91,995.90

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Solution

The fourth proportional to 103,271.10, 154,906.65 and 91,995.90 is: 137,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,271.10 : 154,906.65 = 91,995.90 : x
  2. Step 2: Convert to fraction form
    103,271.10/154,906.65 = 91,995.90/x
  3. Step 3: Cross multiply
    103,271.10x = 154,906.65 × 91,995.90
  4. Step 4: Simplify right side
    103,271.10x = 14,250,776,682.74
  5. Step 5: Solve for x
    x = 14,250,776,682.74/103,271.10
  6. Step 6: Final answer
    x = 137,993.85

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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.