Home / 149,614.86-206,227.31-101,199.13

Finding the Fourth Proportional to 149,614.86, 206,227.31 and 101,199.13

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Solution

The fourth proportional to 149,614.86, 206,227.31 and 101,199.13 is: 139,491.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,614.86 : 206,227.31 = 101,199.13 : x
  2. Step 2: Convert to fraction form
    149,614.86/206,227.31 = 101,199.13/x
  3. Step 3: Cross multiply
    149,614.86x = 206,227.31 × 101,199.13
  4. Step 4: Simplify right side
    149,614.86x = 20,870,024,430.91
  5. Step 5: Solve for x
    x = 20,870,024,430.91/149,614.86
  6. Step 6: Final answer
    x = 139,491.66

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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.