Home / 212,420.24-293,105.62-121,759.52

Finding the Fourth Proportional to 212,420.24, 293,105.62 and 121,759.52

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Solution

The fourth proportional to 212,420.24, 293,105.62 and 121,759.52 is: 168,008.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,420.24 : 293,105.62 = 121,759.52 : x
  2. Step 2: Convert to fraction form
    212,420.24/293,105.62 = 121,759.52/x
  3. Step 3: Cross multiply
    212,420.24x = 293,105.62 × 121,759.52
  4. Step 4: Simplify right side
    212,420.24x = 35,688,398,439.37
  5. Step 5: Solve for x
    x = 35,688,398,439.37/212,420.24
  6. Step 6: Final answer
    x = 168,008.47

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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.