Home / 108,866.12-150,231.39-61,121.48

Finding the Fourth Proportional to 108,866.12, 150,231.39 and 61,121.48

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Solution

The fourth proportional to 108,866.12, 150,231.39 and 61,121.48 is: 84,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,866.12 : 150,231.39 = 61,121.48 : x
  2. Step 2: Convert to fraction form
    108,866.12/150,231.39 = 61,121.48/x
  3. Step 3: Cross multiply
    108,866.12x = 150,231.39 × 61,121.48
  4. Step 4: Simplify right side
    108,866.12x = 9,182,364,899.26
  5. Step 5: Solve for x
    x = 9,182,364,899.26/108,866.12
  6. Step 6: Final answer
    x = 84,345.48

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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.