Home / 238,719.60-329,417.01-136,745.46

Finding the Fourth Proportional to 238,719.60, 329,417.01 and 136,745.46

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Solution

The fourth proportional to 238,719.60, 329,417.01 and 136,745.46 is: 188,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,719.60 : 329,417.01 = 136,745.46 : x
  2. Step 2: Convert to fraction form
    238,719.60/329,417.01 = 136,745.46/x
  3. Step 3: Cross multiply
    238,719.60x = 329,417.01 × 136,745.46
  4. Step 4: Simplify right side
    238,719.60x = 45,046,280,564.27
  5. Step 5: Solve for x
    x = 45,046,280,564.27/238,719.60
  6. Step 6: Final answer
    x = 188,699.55

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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.