Home / 124,972.32-187,458.48-31,485.36

Finding the Fourth Proportional to 124,972.32, 187,458.48 and 31,485.36

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Solution

The fourth proportional to 124,972.32, 187,458.48 and 31,485.36 is: 47,228.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,972.32 : 187,458.48 = 31,485.36 : x
  2. Step 2: Convert to fraction form
    124,972.32/187,458.48 = 31,485.36/x
  3. Step 3: Cross multiply
    124,972.32x = 187,458.48 × 31,485.36
  4. Step 4: Simplify right side
    124,972.32x = 5,902,197,727.85
  5. Step 5: Solve for x
    x = 5,902,197,727.85/124,972.32
  6. Step 6: Final answer
    x = 47,228.04

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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.