Home / 108,855.80-150,243.12-62,917.40

Finding the Fourth Proportional to 108,855.80, 150,243.12 and 62,917.40

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Solution

The fourth proportional to 108,855.80, 150,243.12 and 62,917.40 is: 86,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,855.80 : 150,243.12 = 62,917.40 : x
  2. Step 2: Convert to fraction form
    108,855.80/150,243.12 = 62,917.40/x
  3. Step 3: Cross multiply
    108,855.80x = 150,243.12 × 62,917.40
  4. Step 4: Simplify right side
    108,855.80x = 9,452,906,478.29
  5. Step 5: Solve for x
    x = 9,452,906,478.29/108,855.80
  6. Step 6: Final answer
    x = 86,838.79

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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.