Home / 212,847.60-293,764.68-128,011.44

Finding the Fourth Proportional to 212,847.60, 293,764.68 and 128,011.44

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Solution

The fourth proportional to 212,847.60, 293,764.68 and 128,011.44 is: 176,676.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,847.60 : 293,764.68 = 128,011.44 : x
  2. Step 2: Convert to fraction form
    212,847.60/293,764.68 = 128,011.44/x
  3. Step 3: Cross multiply
    212,847.60x = 293,764.68 × 128,011.44
  4. Step 4: Simplify right side
    212,847.60x = 37,605,239,707.94
  5. Step 5: Solve for x
    x = 37,605,239,707.94/212,847.60
  6. Step 6: Final answer
    x = 176,676.83

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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.