Home / 108,983.40-163,604.70-61,636.20

Finding the Fourth Proportional to 108,983.40, 163,604.70 and 61,636.20

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Solution

The fourth proportional to 108,983.40, 163,604.70 and 61,636.20 is: 92,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,983.40 : 163,604.70 = 61,636.20 : x
  2. Step 2: Convert to fraction form
    108,983.40/163,604.70 = 61,636.20/x
  3. Step 3: Cross multiply
    108,983.40x = 163,604.70 × 61,636.20
  4. Step 4: Simplify right side
    108,983.40x = 10,083,972,010.14
  5. Step 5: Solve for x
    x = 10,083,972,010.14/108,983.40
  6. Step 6: Final answer
    x = 92,527.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.