Home / 212,195.34-292,804.92-121,545.90

Finding the Fourth Proportional to 212,195.34, 292,804.92 and 121,545.90

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Solution

The fourth proportional to 212,195.34, 292,804.92 and 121,545.90 is: 167,719.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,195.34 : 292,804.92 = 121,545.90 : x
  2. Step 2: Convert to fraction form
    212,195.34/292,804.92 = 121,545.90/x
  3. Step 3: Cross multiply
    212,195.34x = 292,804.92 × 121,545.90
  4. Step 4: Simplify right side
    212,195.34x = 35,589,237,525.83
  5. Step 5: Solve for x
    x = 35,589,237,525.83/212,195.34
  6. Step 6: Final answer
    x = 167,719.22

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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.