Home / 243,985.50-336,680.55-136,550.34

Finding the Fourth Proportional to 243,985.50, 336,680.55 and 136,550.34

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Solution

The fourth proportional to 243,985.50, 336,680.55 and 136,550.34 is: 188,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,985.50 : 336,680.55 = 136,550.34 : x
  2. Step 2: Convert to fraction form
    243,985.50/336,680.55 = 136,550.34/x
  3. Step 3: Cross multiply
    243,985.50x = 336,680.55 × 136,550.34
  4. Step 4: Simplify right side
    243,985.50x = 45,973,843,573.89
  5. Step 5: Solve for x
    x = 45,973,843,573.89/243,985.50
  6. Step 6: Final answer
    x = 188,428.59

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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.