Home / 143,512.97-215,295.57-47,455.67

Finding the Fourth Proportional to 143,512.97, 215,295.57 and 47,455.67

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Solution

The fourth proportional to 143,512.97, 215,295.57 and 47,455.67 is: 71,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,512.97 : 215,295.57 = 47,455.67 : x
  2. Step 2: Convert to fraction form
    143,512.97/215,295.57 = 47,455.67/x
  3. Step 3: Cross multiply
    143,512.97x = 215,295.57 × 47,455.67
  4. Step 4: Simplify right side
    143,512.97x = 10,216,996,060.62
  5. Step 5: Solve for x
    x = 10,216,996,060.62/143,512.97
  6. Step 6: Final answer
    x = 71,192.15

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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.