Home / 212,422.39-293,108.60-121,761.67

Finding the Fourth Proportional to 212,422.39, 293,108.60 and 121,761.67

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Solution

The fourth proportional to 212,422.39, 293,108.60 and 121,761.67 is: 168,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,422.39 : 293,108.60 = 121,761.67 : x
  2. Step 2: Convert to fraction form
    212,422.39/293,108.60 = 121,761.67/x
  3. Step 3: Cross multiply
    212,422.39x = 293,108.60 × 121,761.67
  4. Step 4: Simplify right side
    212,422.39x = 35,689,392,018.55
  5. Step 5: Solve for x
    x = 35,689,392,018.55/212,422.39
  6. Step 6: Final answer
    x = 168,011.44

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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.