Home / 74,263.43-111,393.93-18,103.70

Finding the Fourth Proportional to 74,263.43, 111,393.93 and 18,103.70

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Solution

The fourth proportional to 74,263.43, 111,393.93 and 18,103.70 is: 27,155.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,263.43 : 111,393.93 = 18,103.70 : x
  2. Step 2: Convert to fraction form
    74,263.43/111,393.93 = 18,103.70/x
  3. Step 3: Cross multiply
    74,263.43x = 111,393.93 × 18,103.70
  4. Step 4: Simplify right side
    74,263.43x = 2,016,641,643.05
  5. Step 5: Solve for x
    x = 2,016,641,643.05/74,263.43
  6. Step 6: Final answer
    x = 27,155.25

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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.