Home / 151,385.94-207,399.69-145,710.63

Finding the Fourth Proportional to 151,385.94, 207,399.69 and 145,710.63

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Solution

The fourth proportional to 151,385.94, 207,399.69 and 145,710.63 is: 199,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,385.94 : 207,399.69 = 145,710.63 : x
  2. Step 2: Convert to fraction form
    151,385.94/207,399.69 = 145,710.63/x
  3. Step 3: Cross multiply
    151,385.94x = 207,399.69 × 145,710.63
  4. Step 4: Simplify right side
    151,385.94x = 30,220,339,491.70
  5. Step 5: Solve for x
    x = 30,220,339,491.70/151,385.94
  6. Step 6: Final answer
    x = 199,624.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.