Home / 149,572.05-205,989.53-146,306.13

Finding the Fourth Proportional to 149,572.05, 205,989.53 and 146,306.13

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Solution

The fourth proportional to 149,572.05, 205,989.53 and 146,306.13 is: 201,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,572.05 : 205,989.53 = 146,306.13 : x
  2. Step 2: Convert to fraction form
    149,572.05/205,989.53 = 146,306.13/x
  3. Step 3: Cross multiply
    149,572.05x = 205,989.53 × 146,306.13
  4. Step 4: Simplify right side
    149,572.05x = 30,137,530,223.29
  5. Step 5: Solve for x
    x = 30,137,530,223.29/149,572.05
  6. Step 6: Final answer
    x = 201,491.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.