Home / 143,887.24-215,794.04-42,661.62

Finding the Fourth Proportional to 143,887.24, 215,794.04 and 42,661.62

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Solution

The fourth proportional to 143,887.24, 215,794.04 and 42,661.62 is: 63,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,887.24 : 215,794.04 = 42,661.62 : x
  2. Step 2: Convert to fraction form
    143,887.24/215,794.04 = 42,661.62/x
  3. Step 3: Cross multiply
    143,887.24x = 215,794.04 × 42,661.62
  4. Step 4: Simplify right side
    143,887.24x = 9,206,123,332.74
  5. Step 5: Solve for x
    x = 9,206,123,332.74/143,887.24
  6. Step 6: Final answer
    x = 63,981.51

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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.