Home / 155,513.31-232,822.49-139,286.12

Finding the Fourth Proportional to 155,513.31, 232,822.49 and 139,286.12

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Solution

The fourth proportional to 155,513.31, 232,822.49 and 139,286.12 is: 208,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,513.31 : 232,822.49 = 139,286.12 : x
  2. Step 2: Convert to fraction form
    155,513.31/232,822.49 = 139,286.12/x
  3. Step 3: Cross multiply
    155,513.31x = 232,822.49 × 139,286.12
  4. Step 4: Simplify right side
    155,513.31x = 32,428,939,420.30
  5. Step 5: Solve for x
    x = 32,428,939,420.30/155,513.31
  6. Step 6: Final answer
    x = 208,528.39

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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.