Home / 243,841.08-336,484.89-136,392.69

Finding the Fourth Proportional to 243,841.08, 336,484.89 and 136,392.69

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Solution

The fourth proportional to 243,841.08, 336,484.89 and 136,392.69 is: 188,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,841.08 : 336,484.89 = 136,392.69 : x
  2. Step 2: Convert to fraction form
    243,841.08/336,484.89 = 136,392.69/x
  3. Step 3: Cross multiply
    243,841.08x = 336,484.89 × 136,392.69
  4. Step 4: Simplify right side
    243,841.08x = 45,894,079,291.45
  5. Step 5: Solve for x
    x = 45,894,079,291.45/243,841.08
  6. Step 6: Final answer
    x = 188,213.07

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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.