Home / 89,403.43-134,101.67-30,239.09

Finding the Fourth Proportional to 89,403.43, 134,101.67 and 30,239.09

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Solution

The fourth proportional to 89,403.43, 134,101.67 and 30,239.09 is: 45,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,403.43 : 134,101.67 = 30,239.09 : x
  2. Step 2: Convert to fraction form
    89,403.43/134,101.67 = 30,239.09/x
  3. Step 3: Cross multiply
    89,403.43x = 134,101.67 × 30,239.09
  4. Step 4: Simplify right side
    89,403.43x = 4,055,111,646.58
  5. Step 5: Solve for x
    x = 4,055,111,646.58/89,403.43
  6. Step 6: Final answer
    x = 45,357.45

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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.