Home / 108,868.47-163,260.72-42,299.84

Finding the Fourth Proportional to 108,868.47, 163,260.72 and 42,299.84

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Solution

The fourth proportional to 108,868.47, 163,260.72 and 42,299.84 is: 63,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,868.47 : 163,260.72 = 42,299.84 : x
  2. Step 2: Convert to fraction form
    108,868.47/163,260.72 = 42,299.84/x
  3. Step 3: Cross multiply
    108,868.47x = 163,260.72 × 42,299.84
  4. Step 4: Simplify right side
    108,868.47x = 6,905,901,517.98
  5. Step 5: Solve for x
    x = 6,905,901,517.98/108,868.47
  6. Step 6: Final answer
    x = 63,433.44

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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.