Home / 243,988.23-336,703.71-136,558.25

Finding the Fourth Proportional to 243,988.23, 336,703.71 and 136,558.25

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Solution

The fourth proportional to 243,988.23, 336,703.71 and 136,558.25 is: 188,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,988.23 : 336,703.71 = 136,558.25 : x
  2. Step 2: Convert to fraction form
    243,988.23/336,703.71 = 136,558.25/x
  3. Step 3: Cross multiply
    243,988.23x = 336,703.71 × 136,558.25
  4. Step 4: Simplify right side
    243,988.23x = 45,979,671,007.21
  5. Step 5: Solve for x
    x = 45,979,671,007.21/243,988.23
  6. Step 6: Final answer
    x = 188,450.37

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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.