Home / 212,015.12-292,587.88-116,525.20

Finding the Fourth Proportional to 212,015.12, 292,587.88 and 116,525.20

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Solution

The fourth proportional to 212,015.12, 292,587.88 and 116,525.20 is: 160,808.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,015.12 : 292,587.88 = 116,525.20 : x
  2. Step 2: Convert to fraction form
    212,015.12/292,587.88 = 116,525.20/x
  3. Step 3: Cross multiply
    212,015.12x = 292,587.88 × 116,525.20
  4. Step 4: Simplify right side
    212,015.12x = 34,093,861,234.58
  5. Step 5: Solve for x
    x = 34,093,861,234.58/212,015.12
  6. Step 6: Final answer
    x = 160,808.63

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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.