Home / 212,520.57-293,256.09-120,610.58

Finding the Fourth Proportional to 212,520.57, 293,256.09 and 120,610.58

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Solution

The fourth proportional to 212,520.57, 293,256.09 and 120,610.58 is: 166,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,520.57 : 293,256.09 = 120,610.58 : x
  2. Step 2: Convert to fraction form
    212,520.57/293,256.09 = 120,610.58/x
  3. Step 3: Cross multiply
    212,520.57x = 293,256.09 × 120,610.58
  4. Step 4: Simplify right side
    212,520.57x = 35,369,788,354.28
  5. Step 5: Solve for x
    x = 35,369,788,354.28/212,520.57
  6. Step 6: Final answer
    x = 166,429.95

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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.