Home / 145,508.68-218,189.65-44,287.32

Finding the Fourth Proportional to 145,508.68, 218,189.65 and 44,287.32

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Solution

The fourth proportional to 145,508.68, 218,189.65 and 44,287.32 is: 66,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,508.68 : 218,189.65 = 44,287.32 : x
  2. Step 2: Convert to fraction form
    145,508.68/218,189.65 = 44,287.32/x
  3. Step 3: Cross multiply
    145,508.68x = 218,189.65 × 44,287.32
  4. Step 4: Simplify right side
    145,508.68x = 9,663,034,850.24
  5. Step 5: Solve for x
    x = 9,663,034,850.24/145,508.68
  6. Step 6: Final answer
    x = 66,408.65

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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.