Home / 102,124.26-153,186.33-31,047.48

Finding the Fourth Proportional to 102,124.26, 153,186.33 and 31,047.48

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Solution

The fourth proportional to 102,124.26, 153,186.33 and 31,047.48 is: 46,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,124.26 : 153,186.33 = 31,047.48 : x
  2. Step 2: Convert to fraction form
    102,124.26/153,186.33 = 31,047.48/x
  3. Step 3: Cross multiply
    102,124.26x = 153,186.33 × 31,047.48
  4. Step 4: Simplify right side
    102,124.26x = 4,756,049,516.95
  5. Step 5: Solve for x
    x = 4,756,049,516.95/102,124.26
  6. Step 6: Final answer
    x = 46,571.20

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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.