Home / 149,558.30-205,970.52-146,292.38

Finding the Fourth Proportional to 149,558.30, 205,970.52 and 146,292.38

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Solution

The fourth proportional to 149,558.30, 205,970.52 and 146,292.38 is: 201,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,558.30 : 205,970.52 = 146,292.38 : x
  2. Step 2: Convert to fraction form
    149,558.30/205,970.52 = 146,292.38/x
  3. Step 3: Cross multiply
    149,558.30x = 205,970.52 × 146,292.38
  4. Step 4: Simplify right side
    149,558.30x = 30,131,917,580.64
  5. Step 5: Solve for x
    x = 30,131,917,580.64/149,558.30
  6. Step 6: Final answer
    x = 201,472.72

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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.