Home / 108,850.29-163,285.75-42,295.55

Finding the Fourth Proportional to 108,850.29, 163,285.75 and 42,295.55

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Solution

The fourth proportional to 108,850.29, 163,285.75 and 42,295.55 is: 63,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,850.29 : 163,285.75 = 42,295.55 : x
  2. Step 2: Convert to fraction form
    108,850.29/163,285.75 = 42,295.55/x
  3. Step 3: Cross multiply
    108,850.29x = 163,285.75 × 42,295.55
  4. Step 4: Simplify right side
    108,850.29x = 6,906,261,328.24
  5. Step 5: Solve for x
    x = 6,906,261,328.24/108,850.29
  6. Step 6: Final answer
    x = 63,447.34

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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.