Home / 212,761.60-293,617.56-122,134.12

Finding the Fourth Proportional to 212,761.60, 293,617.56 and 122,134.12

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Solution

The fourth proportional to 212,761.60, 293,617.56 and 122,134.12 is: 168,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,761.60 : 293,617.56 = 122,134.12 : x
  2. Step 2: Convert to fraction form
    212,761.60/293,617.56 = 122,134.12/x
  3. Step 3: Cross multiply
    212,761.60x = 293,617.56 × 122,134.12
  4. Step 4: Simplify right side
    212,761.60x = 35,860,722,307.15
  5. Step 5: Solve for x
    x = 35,860,722,307.15/212,761.60
  6. Step 6: Final answer
    x = 168,548.85

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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.