Home / 212,122.03-292,728.45-116,635.18

Finding the Fourth Proportional to 212,122.03, 292,728.45 and 116,635.18

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Solution

The fourth proportional to 212,122.03, 292,728.45 and 116,635.18 is: 160,956.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,122.03 : 292,728.45 = 116,635.18 : x
  2. Step 2: Convert to fraction form
    212,122.03/292,728.45 = 116,635.18/x
  3. Step 3: Cross multiply
    212,122.03x = 292,728.45 × 116,635.18
  4. Step 4: Simplify right side
    212,122.03x = 34,142,435,456.87
  5. Step 5: Solve for x
    x = 34,142,435,456.87/212,122.03
  6. Step 6: Final answer
    x = 160,956.58

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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.