Home / 202,920.04-279,966.18-122,372.20

Finding the Fourth Proportional to 202,920.04, 279,966.18 and 122,372.20

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Solution

The fourth proportional to 202,920.04, 279,966.18 and 122,372.20 is: 168,835.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,920.04 : 279,966.18 = 122,372.20 : x
  2. Step 2: Convert to fraction form
    202,920.04/279,966.18 = 122,372.20/x
  3. Step 3: Cross multiply
    202,920.04x = 279,966.18 × 122,372.20
  4. Step 4: Simplify right side
    202,920.04x = 34,260,077,372.20
  5. Step 5: Solve for x
    x = 34,260,077,372.20/202,920.04
  6. Step 6: Final answer
    x = 168,835.36

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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.