Home / 74,248.08-111,370.96-18,088.12

Finding the Fourth Proportional to 74,248.08, 111,370.96 and 18,088.12

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Solution

The fourth proportional to 74,248.08, 111,370.96 and 18,088.12 is: 27,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.08 : 111,370.96 = 18,088.12 : x
  2. Step 2: Convert to fraction form
    74,248.08/111,370.96 = 18,088.12/x
  3. Step 3: Cross multiply
    74,248.08x = 111,370.96 × 18,088.12
  4. Step 4: Simplify right side
    74,248.08x = 2,014,491,289.00
  5. Step 5: Solve for x
    x = 2,014,491,289.00/74,248.08
  6. Step 6: Final answer
    x = 27,131.90

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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.