Home / 166,350.90-249,562.80-82,151.40

Finding the Fourth Proportional to 166,350.90, 249,562.80 and 82,151.40

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Solution

The fourth proportional to 166,350.90, 249,562.80 and 82,151.40 is: 123,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,350.90 : 249,562.80 = 82,151.40 : x
  2. Step 2: Convert to fraction form
    166,350.90/249,562.80 = 82,151.40/x
  3. Step 3: Cross multiply
    166,350.90x = 249,562.80 × 82,151.40
  4. Step 4: Simplify right side
    166,350.90x = 20,501,933,407.92
  5. Step 5: Solve for x
    x = 20,501,933,407.92/166,350.90
  6. Step 6: Final answer
    x = 123,245.10

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1.5x scale

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.