Home / 143,465.09-215,195.88-64,523.57

Finding the Fourth Proportional to 143,465.09, 215,195.88 and 64,523.57

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Solution

The fourth proportional to 143,465.09, 215,195.88 and 64,523.57 is: 96,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,465.09 : 215,195.88 = 64,523.57 : x
  2. Step 2: Convert to fraction form
    143,465.09/215,195.88 = 64,523.57/x
  3. Step 3: Cross multiply
    143,465.09x = 215,195.88 × 64,523.57
  4. Step 4: Simplify right side
    143,465.09x = 13,885,206,426.89
  5. Step 5: Solve for x
    x = 13,885,206,426.89/143,465.09
  6. Step 6: Final answer
    x = 96,784.57

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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.