Home / 143,832.07-215,727.30-43,965.45

Finding the Fourth Proportional to 143,832.07, 215,727.30 and 43,965.45

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Solution

The fourth proportional to 143,832.07, 215,727.30 and 43,965.45 is: 65,941.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,832.07 : 215,727.30 = 43,965.45 : x
  2. Step 2: Convert to fraction form
    143,832.07/215,727.30 = 43,965.45/x
  3. Step 3: Cross multiply
    143,832.07x = 215,727.30 × 43,965.45
  4. Step 4: Simplify right side
    143,832.07x = 9,484,547,821.79
  5. Step 5: Solve for x
    x = 9,484,547,821.79/143,832.07
  6. Step 6: Final answer
    x = 65,941.82

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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.