Home / 212,844.60-293,760.54-128,008.44

Finding the Fourth Proportional to 212,844.60, 293,760.54 and 128,008.44

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Solution

The fourth proportional to 212,844.60, 293,760.54 and 128,008.44 is: 176,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,844.60 : 293,760.54 = 128,008.44 : x
  2. Step 2: Convert to fraction form
    212,844.60/293,760.54 = 128,008.44/x
  3. Step 3: Cross multiply
    212,844.60x = 293,760.54 × 128,008.44
  4. Step 4: Simplify right side
    212,844.60x = 37,603,828,458.96
  5. Step 5: Solve for x
    x = 37,603,828,458.96/212,844.60
  6. Step 6: Final answer
    x = 176,672.69

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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.