Home / 143,707.77-215,532.50-38,502.14

Finding the Fourth Proportional to 143,707.77, 215,532.50 and 38,502.14

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Solution

The fourth proportional to 143,707.77, 215,532.50 and 38,502.14 is: 57,745.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,707.77 : 215,532.50 = 38,502.14 : x
  2. Step 2: Convert to fraction form
    143,707.77/215,532.50 = 38,502.14/x
  3. Step 3: Cross multiply
    143,707.77x = 215,532.50 × 38,502.14
  4. Step 4: Simplify right side
    143,707.77x = 8,298,461,219.38
  5. Step 5: Solve for x
    x = 8,298,461,219.38/143,707.77
  6. Step 6: Final answer
    x = 57,745.39

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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.