Home / 212,095.76-292,698.52-121,480.96

Finding the Fourth Proportional to 212,095.76, 292,698.52 and 121,480.96

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Solution

The fourth proportional to 212,095.76, 292,698.52 and 121,480.96 is: 167,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,095.76 : 292,698.52 = 121,480.96 : x
  2. Step 2: Convert to fraction form
    212,095.76/292,698.52 = 121,480.96/x
  3. Step 3: Cross multiply
    212,095.76x = 292,698.52 × 121,480.96
  4. Step 4: Simplify right side
    212,095.76x = 35,557,297,200.18
  5. Step 5: Solve for x
    x = 35,557,297,200.18/212,095.76
  6. Step 6: Final answer
    x = 167,647.37

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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.