Home / 138,316.14-207,399.96-43,528.59

Finding the Fourth Proportional to 138,316.14, 207,399.96 and 43,528.59

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Solution

The fourth proportional to 138,316.14, 207,399.96 and 43,528.59 is: 65,269.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,316.14 : 207,399.96 = 43,528.59 : x
  2. Step 2: Convert to fraction form
    138,316.14/207,399.96 = 43,528.59/x
  3. Step 3: Cross multiply
    138,316.14x = 207,399.96 × 43,528.59
  4. Step 4: Simplify right side
    138,316.14x = 9,027,827,824.86
  5. Step 5: Solve for x
    x = 9,027,827,824.86/138,316.14
  6. Step 6: Final answer
    x = 65,269.52

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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.