Home / 243,574.26-336,148.20-136,148.82

Finding the Fourth Proportional to 243,574.26, 336,148.20 and 136,148.82

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Solution

The fourth proportional to 243,574.26, 336,148.20 and 136,148.82 is: 187,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,574.26 : 336,148.20 = 136,148.82 : x
  2. Step 2: Convert to fraction form
    243,574.26/336,148.20 = 136,148.82/x
  3. Step 3: Cross multiply
    243,574.26x = 336,148.20 × 136,148.82
  4. Step 4: Simplify right side
    243,574.26x = 45,766,180,775.12
  5. Step 5: Solve for x
    x = 45,766,180,775.12/243,574.26
  6. Step 6: Final answer
    x = 187,894.16

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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.