Home / 212,109.12-292,712.56-116,616.52

Finding the Fourth Proportional to 212,109.12, 292,712.56 and 116,616.52

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Solution

The fourth proportional to 212,109.12, 292,712.56 and 116,616.52 is: 160,931.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,109.12 : 292,712.56 = 116,616.52 : x
  2. Step 2: Convert to fraction form
    212,109.12/292,712.56 = 116,616.52/x
  3. Step 3: Cross multiply
    212,109.12x = 292,712.56 × 116,616.52
  4. Step 4: Simplify right side
    212,109.12x = 34,135,120,107.49
  5. Step 5: Solve for x
    x = 34,135,120,107.49/212,109.12
  6. Step 6: Final answer
    x = 160,931.88

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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.