Home / 166,987.74-249,890.32-103,837.60

Finding the Fourth Proportional to 166,987.74, 249,890.32 and 103,837.60

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Solution

The fourth proportional to 166,987.74, 249,890.32 and 103,837.60 is: 155,388.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,987.74 : 249,890.32 = 103,837.60 : x
  2. Step 2: Convert to fraction form
    166,987.74/249,890.32 = 103,837.60/x
  3. Step 3: Cross multiply
    166,987.74x = 249,890.32 × 103,837.60
  4. Step 4: Simplify right side
    166,987.74x = 25,948,011,092.03
  5. Step 5: Solve for x
    x = 25,948,011,092.03/166,987.74
  6. Step 6: Final answer
    x = 155,388.72

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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.