Home / 108,885.12-150,268.08-61,141.68

Finding the Fourth Proportional to 108,885.12, 150,268.08 and 61,141.68

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Solution

The fourth proportional to 108,885.12, 150,268.08 and 61,141.68 is: 84,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,885.12 : 150,268.08 = 61,141.68 : x
  2. Step 2: Convert to fraction form
    108,885.12/150,268.08 = 61,141.68/x
  3. Step 3: Cross multiply
    108,885.12x = 150,268.08 × 61,141.68
  4. Step 4: Simplify right side
    108,885.12x = 9,187,642,861.57
  5. Step 5: Solve for x
    x = 9,187,642,861.57/108,885.12
  6. Step 6: Final answer
    x = 84,379.23

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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.