Home / 243,823.70-336,460.80-136,375.10

Finding the Fourth Proportional to 243,823.70, 336,460.80 and 136,375.10

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Solution

The fourth proportional to 243,823.70, 336,460.80 and 136,375.10 is: 188,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,823.70 : 336,460.80 = 136,375.10 : x
  2. Step 2: Convert to fraction form
    243,823.70/336,460.80 = 136,375.10/x
  3. Step 3: Cross multiply
    243,823.70x = 336,460.80 × 136,375.10
  4. Step 4: Simplify right side
    243,823.70x = 45,884,875,246.08
  5. Step 5: Solve for x
    x = 45,884,875,246.08/243,823.70
  6. Step 6: Final answer
    x = 188,188.74

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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.