Home / 145,248.37-200,429.97-80,713.50

Finding the Fourth Proportional to 145,248.37, 200,429.97 and 80,713.50

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Solution

The fourth proportional to 145,248.37, 200,429.97 and 80,713.50 is: 111,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,248.37 : 200,429.97 = 80,713.50 : x
  2. Step 2: Convert to fraction form
    145,248.37/200,429.97 = 80,713.50/x
  3. Step 3: Cross multiply
    145,248.37x = 200,429.97 × 80,713.50
  4. Step 4: Simplify right side
    145,248.37x = 16,177,405,247.44
  5. Step 5: Solve for x
    x = 16,177,405,247.44/145,248.37
  6. Step 6: Final answer
    x = 111,377.53

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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.