Home / 166,458.21-249,711-54,102.30

Finding the Fourth Proportional to 166,458.21, 249,711 and 54,102.30

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Solution

The fourth proportional to 166,458.21, 249,711 and 54,102.30 is: 81,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,458.21 : 249,711 = 54,102.30 : x
  2. Step 2: Convert to fraction form
    166,458.21/249,711 = 54,102.30/x
  3. Step 3: Cross multiply
    166,458.21x = 249,711 × 54,102.30
  4. Step 4: Simplify right side
    166,458.21x = 13,509,939,435.30
  5. Step 5: Solve for x
    x = 13,509,939,435.30/166,458.21
  6. Step 6: Final answer
    x = 81,161.15

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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.