Home / 150,030.14-225,155.97-71,144.63

Finding the Fourth Proportional to 150,030.14, 225,155.97 and 71,144.63

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Solution

The fourth proportional to 150,030.14, 225,155.97 and 71,144.63 is: 106,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,030.14 : 225,155.97 = 71,144.63 : x
  2. Step 2: Convert to fraction form
    150,030.14/225,155.97 = 71,144.63/x
  3. Step 3: Cross multiply
    150,030.14x = 225,155.97 × 71,144.63
  4. Step 4: Simplify right side
    150,030.14x = 16,018,638,177.94
  5. Step 5: Solve for x
    x = 16,018,638,177.94/150,030.14
  6. Step 6: Final answer
    x = 106,769.47

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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.