Home / 143,623.80-215,534.10-50,129.55

Finding the Fourth Proportional to 143,623.80, 215,534.10 and 50,129.55

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Solution

The fourth proportional to 143,623.80, 215,534.10 and 50,129.55 is: 75,228.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,623.80 : 215,534.10 = 50,129.55 : x
  2. Step 2: Convert to fraction form
    143,623.80/215,534.10 = 50,129.55/x
  3. Step 3: Cross multiply
    143,623.80x = 215,534.10 × 50,129.55
  4. Step 4: Simplify right side
    143,623.80x = 10,804,627,442.66
  5. Step 5: Solve for x
    x = 10,804,627,442.66/143,623.80
  6. Step 6: Final answer
    x = 75,228.67

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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.