Home / 108,639.37-163,022.61-45,454.19

Finding the Fourth Proportional to 108,639.37, 163,022.61 and 45,454.19

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Solution

The fourth proportional to 108,639.37, 163,022.61 and 45,454.19 is: 68,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,639.37 : 163,022.61 = 45,454.19 : x
  2. Step 2: Convert to fraction form
    108,639.37/163,022.61 = 45,454.19/x
  3. Step 3: Cross multiply
    108,639.37x = 163,022.61 × 45,454.19
  4. Step 4: Simplify right side
    108,639.37x = 7,410,060,689.24
  5. Step 5: Solve for x
    x = 7,410,060,689.24/108,639.37
  6. Step 6: Final answer
    x = 68,207.88

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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.