Home / 212,432.41-293,162.87-115,642.54

Finding the Fourth Proportional to 212,432.41, 293,162.87 and 115,642.54

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Solution

The fourth proportional to 212,432.41, 293,162.87 and 115,642.54 is: 159,590.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,432.41 : 293,162.87 = 115,642.54 : x
  2. Step 2: Convert to fraction form
    212,432.41/293,162.87 = 115,642.54/x
  3. Step 3: Cross multiply
    212,432.41x = 293,162.87 × 115,642.54
  4. Step 4: Simplify right side
    212,432.41x = 33,902,097,609.37
  5. Step 5: Solve for x
    x = 33,902,097,609.37/212,432.41
  6. Step 6: Final answer
    x = 159,590.05

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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.