Home / 166,490.78-249,740.22-54,171.32

Finding the Fourth Proportional to 166,490.78, 249,740.22 and 54,171.32

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Solution

The fourth proportional to 166,490.78, 249,740.22 and 54,171.32 is: 81,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,490.78 : 249,740.22 = 54,171.32 : x
  2. Step 2: Convert to fraction form
    166,490.78/249,740.22 = 54,171.32/x
  3. Step 3: Cross multiply
    166,490.78x = 249,740.22 × 54,171.32
  4. Step 4: Simplify right side
    166,490.78x = 13,528,757,374.49
  5. Step 5: Solve for x
    x = 13,528,757,374.49/166,490.78
  6. Step 6: Final answer
    x = 81,258.30

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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.