Home / 108,785.35-163,185.93-45,541.87

Finding the Fourth Proportional to 108,785.35, 163,185.93 and 45,541.87

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Solution

The fourth proportional to 108,785.35, 163,185.93 and 45,541.87 is: 68,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,785.35 : 163,185.93 = 45,541.87 : x
  2. Step 2: Convert to fraction form
    108,785.35/163,185.93 = 45,541.87/x
  3. Step 3: Cross multiply
    108,785.35x = 163,185.93 × 45,541.87
  4. Step 4: Simplify right side
    108,785.35x = 7,431,792,001.92
  5. Step 5: Solve for x
    x = 7,431,792,001.92/108,785.35
  6. Step 6: Final answer
    x = 68,316.11

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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.