Home / 166,138.17-249,119.68-72,534.57

Finding the Fourth Proportional to 166,138.17, 249,119.68 and 72,534.57

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Solution

The fourth proportional to 166,138.17, 249,119.68 and 72,534.57 is: 108,763.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,138.17 : 249,119.68 = 72,534.57 : x
  2. Step 2: Convert to fraction form
    166,138.17/249,119.68 = 72,534.57/x
  3. Step 3: Cross multiply
    166,138.17x = 249,119.68 × 72,534.57
  4. Step 4: Simplify right side
    166,138.17x = 18,069,788,867.34
  5. Step 5: Solve for x
    x = 18,069,788,867.34/166,138.17
  6. Step 6: Final answer
    x = 108,763.62

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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.