Home / 211,120.59-291,346.40-115,627.53

Finding the Fourth Proportional to 211,120.59, 291,346.40 and 115,627.53

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Solution

The fourth proportional to 211,120.59, 291,346.40 and 115,627.53 is: 159,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,120.59 : 291,346.40 = 115,627.53 : x
  2. Step 2: Convert to fraction form
    211,120.59/291,346.40 = 115,627.53/x
  3. Step 3: Cross multiply
    211,120.59x = 291,346.40 × 115,627.53
  4. Step 4: Simplify right side
    211,120.59x = 33,687,664,028.25
  5. Step 5: Solve for x
    x = 33,687,664,028.25/211,120.59
  6. Step 6: Final answer
    x = 159,565.98

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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.