Home / 143,617.58-215,426.20-38,433.81

Finding the Fourth Proportional to 143,617.58, 215,426.20 and 38,433.81

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Solution

The fourth proportional to 143,617.58, 215,426.20 and 38,433.81 is: 57,650.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,617.58 : 215,426.20 = 38,433.81 : x
  2. Step 2: Convert to fraction form
    143,617.58/215,426.20 = 38,433.81/x
  3. Step 3: Cross multiply
    143,617.58x = 215,426.20 × 38,433.81
  4. Step 4: Simplify right side
    143,617.58x = 8,279,649,639.82
  5. Step 5: Solve for x
    x = 8,279,649,639.82/143,617.58
  6. Step 6: Final answer
    x = 57,650.67

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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.