Home / 108,951.33-163,436.40-30,065.55

Finding the Fourth Proportional to 108,951.33, 163,436.40 and 30,065.55

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Solution

The fourth proportional to 108,951.33, 163,436.40 and 30,065.55 is: 45,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,951.33 : 163,436.40 = 30,065.55 : x
  2. Step 2: Convert to fraction form
    108,951.33/163,436.40 = 30,065.55/x
  3. Step 3: Cross multiply
    108,951.33x = 163,436.40 × 30,065.55
  4. Step 4: Simplify right side
    108,951.33x = 4,913,804,643.13
  5. Step 5: Solve for x
    x = 4,913,804,643.13/108,951.33
  6. Step 6: Final answer
    x = 45,100.92

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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.