Home / 102,223.41-153,336.74-31,147.53

Finding the Fourth Proportional to 102,223.41, 153,336.74 and 31,147.53

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Solution

The fourth proportional to 102,223.41, 153,336.74 and 31,147.53 is: 46,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,223.41 : 153,336.74 = 31,147.53 : x
  2. Step 2: Convert to fraction form
    102,223.41/153,336.74 = 31,147.53/x
  3. Step 3: Cross multiply
    102,223.41x = 153,336.74 × 31,147.53
  4. Step 4: Simplify right side
    102,223.41x = 4,776,060,553.51
  5. Step 5: Solve for x
    x = 4,776,060,553.51/102,223.41
  6. Step 6: Final answer
    x = 46,721.79

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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.