Home / 108,972.98-150,382.84-61,226.30

Finding the Fourth Proportional to 108,972.98, 150,382.84 and 61,226.30

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Solution

The fourth proportional to 108,972.98, 150,382.84 and 61,226.30 is: 84,492.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,972.98 : 150,382.84 = 61,226.30 : x
  2. Step 2: Convert to fraction form
    108,972.98/150,382.84 = 61,226.30/x
  3. Step 3: Cross multiply
    108,972.98x = 150,382.84 × 61,226.30
  4. Step 4: Simplify right side
    108,972.98x = 9,207,383,971.71
  5. Step 5: Solve for x
    x = 9,207,383,971.71/108,972.98
  6. Step 6: Final answer
    x = 84,492.36

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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.