Home / 124,971.32-187,456.98-31,484.36

Finding the Fourth Proportional to 124,971.32, 187,456.98 and 31,484.36

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Solution

The fourth proportional to 124,971.32, 187,456.98 and 31,484.36 is: 47,226.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,971.32 : 187,456.98 = 31,484.36 : x
  2. Step 2: Convert to fraction form
    124,971.32/187,456.98 = 31,484.36/x
  3. Step 3: Cross multiply
    124,971.32x = 187,456.98 × 31,484.36
  4. Step 4: Simplify right side
    124,971.32x = 5,901,963,042.83
  5. Step 5: Solve for x
    x = 5,901,963,042.83/124,971.32
  6. Step 6: Final answer
    x = 47,226.54

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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.