Home / 103,081.24-154,687.56-102,237.52

Finding the Fourth Proportional to 103,081.24, 154,687.56 and 102,237.52

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Solution

The fourth proportional to 103,081.24, 154,687.56 and 102,237.52 is: 153,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,081.24 : 154,687.56 = 102,237.52 : x
  2. Step 2: Convert to fraction form
    103,081.24/154,687.56 = 102,237.52/x
  3. Step 3: Cross multiply
    103,081.24x = 154,687.56 × 102,237.52
  4. Step 4: Simplify right side
    103,081.24x = 15,814,872,509.25
  5. Step 5: Solve for x
    x = 15,814,872,509.25/103,081.24
  6. Step 6: Final answer
    x = 153,421.44

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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.