Home / 212,148.88-292,740.92-121,499.44

Finding the Fourth Proportional to 212,148.88, 292,740.92 and 121,499.44

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Solution

The fourth proportional to 212,148.88, 292,740.92 and 121,499.44 is: 167,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,148.88 : 292,740.92 = 121,499.44 : x
  2. Step 2: Convert to fraction form
    212,148.88/292,740.92 = 121,499.44/x
  3. Step 3: Cross multiply
    212,148.88x = 292,740.92 × 121,499.44
  4. Step 4: Simplify right side
    212,148.88x = 35,567,856,961.36
  5. Step 5: Solve for x
    x = 35,567,856,961.36/212,148.88
  6. Step 6: Final answer
    x = 167,655.17

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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.