Home / 143,960.28-215,533.26-76,338.24

Finding the Fourth Proportional to 143,960.28, 215,533.26 and 76,338.24

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Solution

The fourth proportional to 143,960.28, 215,533.26 and 76,338.24 is: 114,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,960.28 : 215,533.26 = 76,338.24 : x
  2. Step 2: Convert to fraction form
    143,960.28/215,533.26 = 76,338.24/x
  3. Step 3: Cross multiply
    143,960.28x = 215,533.26 × 76,338.24
  4. Step 4: Simplify right side
    143,960.28x = 16,453,429,729.86
  5. Step 5: Solve for x
    x = 16,453,429,729.86/143,960.28
  6. Step 6: Final answer
    x = 114,291.45

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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.