Home / 150,386.60-207,533.55-82,403.02

Finding the Fourth Proportional to 150,386.60, 207,533.55 and 82,403.02

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Solution

The fourth proportional to 150,386.60, 207,533.55 and 82,403.02 is: 113,716.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,386.60 : 207,533.55 = 82,403.02 : x
  2. Step 2: Convert to fraction form
    150,386.60/207,533.55 = 82,403.02/x
  3. Step 3: Cross multiply
    150,386.60x = 207,533.55 × 82,403.02
  4. Step 4: Simplify right side
    150,386.60x = 17,101,390,233.65
  5. Step 5: Solve for x
    x = 17,101,390,233.65/150,386.60
  6. Step 6: Final answer
    x = 113,716.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.