Home / 166,539.60-249,809.40-155,385.90

Finding the Fourth Proportional to 166,539.60, 249,809.40 and 155,385.90

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Solution

The fourth proportional to 166,539.60, 249,809.40 and 155,385.90 is: 233,078.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,539.60 : 249,809.40 = 155,385.90 : x
  2. Step 2: Convert to fraction form
    166,539.60/249,809.40 = 155,385.90/x
  3. Step 3: Cross multiply
    166,539.60x = 249,809.40 × 155,385.90
  4. Step 4: Simplify right side
    166,539.60x = 38,816,858,447.46
  5. Step 5: Solve for x
    x = 38,816,858,447.46/166,539.60
  6. Step 6: Final answer
    x = 233,078.85

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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.