Home / 158,711.20-238,241.76-79,804.24

Finding the Fourth Proportional to 158,711.20, 238,241.76 and 79,804.24

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Solution

The fourth proportional to 158,711.20, 238,241.76 and 79,804.24 is: 119,794.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,711.20 : 238,241.76 = 79,804.24 : x
  2. Step 2: Convert to fraction form
    158,711.20/238,241.76 = 79,804.24/x
  3. Step 3: Cross multiply
    158,711.20x = 238,241.76 × 79,804.24
  4. Step 4: Simplify right side
    158,711.20x = 19,012,702,593.06
  5. Step 5: Solve for x
    x = 19,012,702,593.06/158,711.20
  6. Step 6: Final answer
    x = 119,794.33

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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.