Home / 157,131.09-216,589.14-106,127.82

Finding the Fourth Proportional to 157,131.09, 216,589.14 and 106,127.82

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Solution

The fourth proportional to 157,131.09, 216,589.14 and 106,127.82 is: 146,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,131.09 : 216,589.14 = 106,127.82 : x
  2. Step 2: Convert to fraction form
    157,131.09/216,589.14 = 106,127.82/x
  3. Step 3: Cross multiply
    157,131.09x = 216,589.14 × 106,127.82
  4. Step 4: Simplify right side
    157,131.09x = 22,986,133,263.87
  5. Step 5: Solve for x
    x = 22,986,133,263.87/157,131.09
  6. Step 6: Final answer
    x = 146,286.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.