Home / 157,261.34-235,961.45-122,028.77

Finding the Fourth Proportional to 157,261.34, 235,961.45 and 122,028.77

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Solution

The fourth proportional to 157,261.34, 235,961.45 and 122,028.77 is: 183,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,261.34 : 235,961.45 = 122,028.77 : x
  2. Step 2: Convert to fraction form
    157,261.34/235,961.45 = 122,028.77/x
  3. Step 3: Cross multiply
    157,261.34x = 235,961.45 × 122,028.77
  4. Step 4: Simplify right side
    157,261.34x = 28,794,085,078.61
  5. Step 5: Solve for x
    x = 28,794,085,078.61/157,261.34
  6. Step 6: Final answer
    x = 183,097.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.