Home / 243,725.80-336,339.30-136,294.60

Finding the Fourth Proportional to 243,725.80, 336,339.30 and 136,294.60

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Solution

The fourth proportional to 243,725.80, 336,339.30 and 136,294.60 is: 188,085.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,725.80 : 336,339.30 = 136,294.60 : x
  2. Step 2: Convert to fraction form
    243,725.80/336,339.30 = 136,294.60/x
  3. Step 3: Cross multiply
    243,725.80x = 336,339.30 × 136,294.60
  4. Step 4: Simplify right side
    243,725.80x = 45,841,230,357.78
  5. Step 5: Solve for x
    x = 45,841,230,357.78/243,725.80
  6. Step 6: Final answer
    x = 188,085.26

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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.