Home / 145,544.40-200,850.96-81,882.24

Finding the Fourth Proportional to 145,544.40, 200,850.96 and 81,882.24

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Solution

The fourth proportional to 145,544.40, 200,850.96 and 81,882.24 is: 112,997.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,544.40 : 200,850.96 = 81,882.24 : x
  2. Step 2: Convert to fraction form
    145,544.40/200,850.96 = 81,882.24/x
  3. Step 3: Cross multiply
    145,544.40x = 200,850.96 × 81,882.24
  4. Step 4: Simplify right side
    145,544.40x = 16,446,126,510.95
  5. Step 5: Solve for x
    x = 16,446,126,510.95/145,544.40
  6. Step 6: Final answer
    x = 112,997.32

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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.