Home / 149,315.70-223,973.55-137,910.90

Finding the Fourth Proportional to 149,315.70, 223,973.55 and 137,910.90

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Solution

The fourth proportional to 149,315.70, 223,973.55 and 137,910.90 is: 206,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,315.70 : 223,973.55 = 137,910.90 : x
  2. Step 2: Convert to fraction form
    149,315.70/223,973.55 = 137,910.90/x
  3. Step 3: Cross multiply
    149,315.70x = 223,973.55 × 137,910.90
  4. Step 4: Simplify right side
    149,315.70x = 30,888,393,856.70
  5. Step 5: Solve for x
    x = 30,888,393,856.70/149,315.70
  6. Step 6: Final answer
    x = 206,866.35

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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.