Home / 212,404.64-293,101.84-121,759.52

Finding the Fourth Proportional to 212,404.64, 293,101.84 and 121,759.52

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Solution

The fourth proportional to 212,404.64, 293,101.84 and 121,759.52 is: 168,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,404.64 : 293,101.84 = 121,759.52 : x
  2. Step 2: Convert to fraction form
    212,404.64/293,101.84 = 121,759.52/x
  3. Step 3: Cross multiply
    212,404.64x = 293,101.84 × 121,759.52
  4. Step 4: Simplify right side
    212,404.64x = 35,687,939,349.52
  5. Step 5: Solve for x
    x = 35,687,939,349.52/212,404.64
  6. Step 6: Final answer
    x = 168,018.64

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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.