Home / 150,071.78-225,107.55-60,155.12

Finding the Fourth Proportional to 150,071.78, 225,107.55 and 60,155.12

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Solution

The fourth proportional to 150,071.78, 225,107.55 and 60,155.12 is: 90,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,071.78 : 225,107.55 = 60,155.12 : x
  2. Step 2: Convert to fraction form
    150,071.78/225,107.55 = 60,155.12/x
  3. Step 3: Cross multiply
    150,071.78x = 225,107.55 × 60,155.12
  4. Step 4: Simplify right side
    150,071.78x = 13,541,371,683.16
  5. Step 5: Solve for x
    x = 13,541,371,683.16/150,071.78
  6. Step 6: Final answer
    x = 90,232.63

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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.