Home / 108,855.12-150,219.47-61,108.46

Finding the Fourth Proportional to 108,855.12, 150,219.47 and 61,108.46

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Solution

The fourth proportional to 108,855.12, 150,219.47 and 61,108.46 is: 84,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,855.12 : 150,219.47 = 61,108.46 : x
  2. Step 2: Convert to fraction form
    108,855.12/150,219.47 = 61,108.46/x
  3. Step 3: Cross multiply
    108,855.12x = 150,219.47 × 61,108.46
  4. Step 4: Simplify right side
    108,855.12x = 9,179,679,722.62
  5. Step 5: Solve for x
    x = 9,179,679,722.62/108,855.12
  6. Step 6: Final answer
    x = 84,329.33

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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.