Home / 212,324.22-292,973.98-121,662.74

Finding the Fourth Proportional to 212,324.22, 292,973.98 and 121,662.74

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Solution

The fourth proportional to 212,324.22, 292,973.98 and 121,662.74 is: 167,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,324.22 : 292,973.98 = 121,662.74 : x
  2. Step 2: Convert to fraction form
    212,324.22/292,973.98 = 121,662.74/x
  3. Step 3: Cross multiply
    212,324.22x = 292,973.98 × 121,662.74
  4. Step 4: Simplify right side
    212,324.22x = 35,644,017,155.51
  5. Step 5: Solve for x
    x = 35,644,017,155.51/212,324.22
  6. Step 6: Final answer
    x = 167,875.42

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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.