Home / 140,626.32-194,064.09-76,964.10

Finding the Fourth Proportional to 140,626.32, 194,064.09 and 76,964.10

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Solution

The fourth proportional to 140,626.32, 194,064.09 and 76,964.10 is: 106,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,626.32 : 194,064.09 = 76,964.10 : x
  2. Step 2: Convert to fraction form
    140,626.32/194,064.09 = 76,964.10/x
  3. Step 3: Cross multiply
    140,626.32x = 194,064.09 × 76,964.10
  4. Step 4: Simplify right side
    140,626.32x = 14,935,968,029.17
  5. Step 5: Solve for x
    x = 14,935,968,029.17/140,626.32
  6. Step 6: Final answer
    x = 106,210.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.