Home / 166,150.20-249,225.30-81,950.70

Finding the Fourth Proportional to 166,150.20, 249,225.30 and 81,950.70

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Solution

The fourth proportional to 166,150.20, 249,225.30 and 81,950.70 is: 122,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,150.20 : 249,225.30 = 81,950.70 : x
  2. Step 2: Convert to fraction form
    166,150.20/249,225.30 = 81,950.70/x
  3. Step 3: Cross multiply
    166,150.20x = 249,225.30 × 81,950.70
  4. Step 4: Simplify right side
    166,150.20x = 20,424,187,792.71
  5. Step 5: Solve for x
    x = 20,424,187,792.71/166,150.20
  6. Step 6: Final answer
    x = 122,926.05

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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.