Home / 231,946.14-320,055.79-136,417.98

Finding the Fourth Proportional to 231,946.14, 320,055.79 and 136,417.98

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Solution

The fourth proportional to 231,946.14, 320,055.79 and 136,417.98 is: 188,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,946.14 : 320,055.79 = 136,417.98 : x
  2. Step 2: Convert to fraction form
    231,946.14/320,055.79 = 136,417.98/x
  3. Step 3: Cross multiply
    231,946.14x = 320,055.79 × 136,417.98
  4. Step 4: Simplify right side
    231,946.14x = 43,661,364,359.10
  5. Step 5: Solve for x
    x = 43,661,364,359.10/231,946.14
  6. Step 6: Final answer
    x = 188,239.24

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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.