Home / 166,061.40-249,186.87-90,216.24

Finding the Fourth Proportional to 166,061.40, 249,186.87 and 90,216.24

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Solution

The fourth proportional to 166,061.40, 249,186.87 and 90,216.24 is: 135,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,061.40 : 249,186.87 = 90,216.24 : x
  2. Step 2: Convert to fraction form
    166,061.40/249,186.87 = 90,216.24/x
  3. Step 3: Cross multiply
    166,061.40x = 249,186.87 × 90,216.24
  4. Step 4: Simplify right side
    166,061.40x = 22,480,702,468.77
  5. Step 5: Solve for x
    x = 22,480,702,468.77/166,061.40
  6. Step 6: Final answer
    x = 135,375.85

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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.