Home / 112,993.40-169,489.96-42,872.60

Finding the Fourth Proportional to 112,993.40, 169,489.96 and 42,872.60

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Solution

The fourth proportional to 112,993.40, 169,489.96 and 42,872.60 is: 64,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,993.40 : 169,489.96 = 42,872.60 : x
  2. Step 2: Convert to fraction form
    112,993.40/169,489.96 = 42,872.60/x
  3. Step 3: Cross multiply
    112,993.40x = 169,489.96 × 42,872.60
  4. Step 4: Simplify right side
    112,993.40x = 7,266,475,259.10
  5. Step 5: Solve for x
    x = 7,266,475,259.10/112,993.40
  6. Step 6: Final answer
    x = 64,308.85

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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.