Home / 154,285.12-231,458.64-65,537.92

Finding the Fourth Proportional to 154,285.12, 231,458.64 and 65,537.92

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Solution

The fourth proportional to 154,285.12, 231,458.64 and 65,537.92 is: 98,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,285.12 : 231,458.64 = 65,537.92 : x
  2. Step 2: Convert to fraction form
    154,285.12/231,458.64 = 65,537.92/x
  3. Step 3: Cross multiply
    154,285.12x = 231,458.64 × 65,537.92
  4. Step 4: Simplify right side
    154,285.12x = 15,169,317,831.63
  5. Step 5: Solve for x
    x = 15,169,317,831.63/154,285.12
  6. Step 6: Final answer
    x = 98,320.03

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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.