Home / 108,716.05-150,044.55-66,299.18

Finding the Fourth Proportional to 108,716.05, 150,044.55 and 66,299.18

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Solution

The fourth proportional to 108,716.05, 150,044.55 and 66,299.18 is: 91,502.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,716.05 : 150,044.55 = 66,299.18 : x
  2. Step 2: Convert to fraction form
    108,716.05/150,044.55 = 66,299.18/x
  3. Step 3: Cross multiply
    108,716.05x = 150,044.55 × 66,299.18
  4. Step 4: Simplify right side
    108,716.05x = 9,947,830,837.83
  5. Step 5: Solve for x
    x = 9,947,830,837.83/108,716.05
  6. Step 6: Final answer
    x = 91,502.87

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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.