Home / 138,846.41-191,607.71-75,184.20

Finding the Fourth Proportional to 138,846.41, 191,607.71 and 75,184.20

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Solution

The fourth proportional to 138,846.41, 191,607.71 and 75,184.20 is: 103,754.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,846.41 : 191,607.71 = 75,184.20 : x
  2. Step 2: Convert to fraction form
    138,846.41/191,607.71 = 75,184.20/x
  3. Step 3: Cross multiply
    138,846.41x = 191,607.71 × 75,184.20
  4. Step 4: Simplify right side
    138,846.41x = 14,405,873,296.67
  5. Step 5: Solve for x
    x = 14,405,873,296.67/138,846.41
  6. Step 6: Final answer
    x = 103,754.02

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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.