Home / 212,121.08-292,727.12-116,634.20

Finding the Fourth Proportional to 212,121.08, 292,727.12 and 116,634.20

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Solution

The fourth proportional to 212,121.08, 292,727.12 and 116,634.20 is: 160,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,121.08 : 292,727.12 = 116,634.20 : x
  2. Step 2: Convert to fraction form
    212,121.08/292,727.12 = 116,634.20/x
  3. Step 3: Cross multiply
    212,121.08x = 292,727.12 × 116,634.20
  4. Step 4: Simplify right side
    212,121.08x = 34,141,993,459.50
  5. Step 5: Solve for x
    x = 34,141,993,459.50/212,121.08
  6. Step 6: Final answer
    x = 160,955.21

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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.