Home / 155,857.32-233,421.48-76,717.08

Finding the Fourth Proportional to 155,857.32, 233,421.48 and 76,717.08

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Solution

The fourth proportional to 155,857.32, 233,421.48 and 76,717.08 is: 114,896.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,857.32 : 233,421.48 = 76,717.08 : x
  2. Step 2: Convert to fraction form
    155,857.32/233,421.48 = 76,717.08/x
  3. Step 3: Cross multiply
    155,857.32x = 233,421.48 × 76,717.08
  4. Step 4: Simplify right side
    155,857.32x = 17,907,414,354.88
  5. Step 5: Solve for x
    x = 17,907,414,354.88/155,857.32
  6. Step 6: Final answer
    x = 114,896.20

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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.