Home / 139,542.02-209,297.47-38,347.83

Finding the Fourth Proportional to 139,542.02, 209,297.47 and 38,347.83

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Solution

The fourth proportional to 139,542.02, 209,297.47 and 38,347.83 is: 57,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,542.02 : 209,297.47 = 38,347.83 : x
  2. Step 2: Convert to fraction form
    139,542.02/209,297.47 = 38,347.83/x
  3. Step 3: Cross multiply
    139,542.02x = 209,297.47 × 38,347.83
  4. Step 4: Simplify right side
    139,542.02x = 8,026,103,775.02
  5. Step 5: Solve for x
    x = 8,026,103,775.02/139,542.02
  6. Step 6: Final answer
    x = 57,517.47

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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.