Home / 166,524.12-249,868.18-77,764.72

Finding the Fourth Proportional to 166,524.12, 249,868.18 and 77,764.72

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Solution

The fourth proportional to 166,524.12, 249,868.18 and 77,764.72 is: 116,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,524.12 : 249,868.18 = 77,764.72 : x
  2. Step 2: Convert to fraction form
    166,524.12/249,868.18 = 77,764.72/x
  3. Step 3: Cross multiply
    166,524.12x = 249,868.18 × 77,764.72
  4. Step 4: Simplify right side
    166,524.12x = 19,430,929,054.61
  5. Step 5: Solve for x
    x = 19,430,929,054.61/166,524.12
  6. Step 6: Final answer
    x = 116,685.37

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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.