Home / 139,544.21-209,300.75-38,350.02

Finding the Fourth Proportional to 139,544.21, 209,300.75 and 38,350.02

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Solution

The fourth proportional to 139,544.21, 209,300.75 and 38,350.02 is: 57,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,544.21 : 209,300.75 = 38,350.02 : x
  2. Step 2: Convert to fraction form
    139,544.21/209,300.75 = 38,350.02/x
  3. Step 3: Cross multiply
    139,544.21x = 209,300.75 × 38,350.02
  4. Step 4: Simplify right side
    139,544.21x = 8,026,687,948.52
  5. Step 5: Solve for x
    x = 8,026,687,948.52/139,544.21
  6. Step 6: Final answer
    x = 57,520.75

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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.