Home / 89,365.07-134,066.88-30,199.43

Finding the Fourth Proportional to 89,365.07, 134,066.88 and 30,199.43

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Solution

The fourth proportional to 89,365.07, 134,066.88 and 30,199.43 is: 45,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,365.07 : 134,066.88 = 30,199.43 : x
  2. Step 2: Convert to fraction form
    89,365.07/134,066.88 = 30,199.43/x
  3. Step 3: Cross multiply
    89,365.07x = 134,066.88 × 30,199.43
  4. Step 4: Simplify right side
    89,365.07x = 4,048,743,693.05
  5. Step 5: Solve for x
    x = 4,048,743,693.05/89,365.07
  6. Step 6: Final answer
    x = 45,305.66

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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.