Home / 155,434.90-233,165.52-43,115.11

Finding the Fourth Proportional to 155,434.90, 233,165.52 and 43,115.11

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Solution

The fourth proportional to 155,434.90, 233,165.52 and 43,115.11 is: 64,676.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,434.90 : 233,165.52 = 43,115.11 : x
  2. Step 2: Convert to fraction form
    155,434.90/233,165.52 = 43,115.11/x
  3. Step 3: Cross multiply
    155,434.90x = 233,165.52 × 43,115.11
  4. Step 4: Simplify right side
    155,434.90x = 10,052,957,043.01
  5. Step 5: Solve for x
    x = 10,052,957,043.01/155,434.90
  6. Step 6: Final answer
    x = 64,676.32

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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.