Home / 166,524.93-249,869.40-77,765.55

Finding the Fourth Proportional to 166,524.93, 249,869.40 and 77,765.55

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Solution

The fourth proportional to 166,524.93, 249,869.40 and 77,765.55 is: 116,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,524.93 : 249,869.40 = 77,765.55 : x
  2. Step 2: Convert to fraction form
    166,524.93/249,869.40 = 77,765.55/x
  3. Step 3: Cross multiply
    166,524.93x = 249,869.40 × 77,765.55
  4. Step 4: Simplify right side
    166,524.93x = 19,431,231,319.17
  5. Step 5: Solve for x
    x = 19,431,231,319.17/166,524.93
  6. Step 6: Final answer
    x = 116,686.62

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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.