Home / 243,675.18-336,270.83-136,244.88

Finding the Fourth Proportional to 243,675.18, 336,270.83 and 136,244.88

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Solution

The fourth proportional to 243,675.18, 336,270.83 and 136,244.88 is: 188,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,675.18 : 336,270.83 = 136,244.88 : x
  2. Step 2: Convert to fraction form
    243,675.18/336,270.83 = 136,244.88/x
  3. Step 3: Cross multiply
    243,675.18x = 336,270.83 × 136,244.88
  4. Step 4: Simplify right side
    243,675.18x = 45,815,178,199.63
  5. Step 5: Solve for x
    x = 45,815,178,199.63/243,675.18
  6. Step 6: Final answer
    x = 188,017.42

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1.5x scale

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.