Home / 212,097.56-292,695.30-121,454.96

Finding the Fourth Proportional to 212,097.56, 292,695.30 and 121,454.96

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Solution

The fourth proportional to 212,097.56, 292,695.30 and 121,454.96 is: 167,608.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,097.56 : 292,695.30 = 121,454.96 : x
  2. Step 2: Convert to fraction form
    212,097.56/292,695.30 = 121,454.96/x
  3. Step 3: Cross multiply
    212,097.56x = 292,695.30 × 121,454.96
  4. Step 4: Simplify right side
    212,097.56x = 35,549,295,953.69
  5. Step 5: Solve for x
    x = 35,549,295,953.69/212,097.56
  6. Step 6: Final answer
    x = 167,608.23

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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.