Home / 149,869.74-206,580.02-101,456.40

Finding the Fourth Proportional to 149,869.74, 206,580.02 and 101,456.40

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Solution

The fourth proportional to 149,869.74, 206,580.02 and 101,456.40 is: 139,847.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,869.74 : 206,580.02 = 101,456.40 : x
  2. Step 2: Convert to fraction form
    149,869.74/206,580.02 = 101,456.40/x
  3. Step 3: Cross multiply
    149,869.74x = 206,580.02 × 101,456.40
  4. Step 4: Simplify right side
    149,869.74x = 20,958,865,141.13
  5. Step 5: Solve for x
    x = 20,958,865,141.13/149,869.74
  6. Step 6: Final answer
    x = 139,847.21

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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.