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Finding the Fourth Proportional to 166,124.40, 249,223.05 and 53,809.80

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Solution

The fourth proportional to 166,124.40, 249,223.05 and 53,809.80 is: 80,726.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,124.40 : 249,223.05 = 53,809.80 : x
  2. Step 2: Convert to fraction form
    166,124.40/249,223.05 = 53,809.80/x
  3. Step 3: Cross multiply
    166,124.40x = 249,223.05 × 53,809.80
  4. Step 4: Simplify right side
    166,124.40x = 13,410,642,475.89
  5. Step 5: Solve for x
    x = 13,410,642,475.89/166,124.40
  6. Step 6: Final answer
    x = 80,726.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.