Home / 143,727.13-215,574.18-38,537.83

Finding the Fourth Proportional to 143,727.13, 215,574.18 and 38,537.83

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Solution

The fourth proportional to 143,727.13, 215,574.18 and 38,537.83 is: 57,802.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,727.13 : 215,574.18 = 38,537.83 : x
  2. Step 2: Convert to fraction form
    143,727.13/215,574.18 = 38,537.83/x
  3. Step 3: Cross multiply
    143,727.13x = 215,574.18 × 38,537.83
  4. Step 4: Simplify right side
    143,727.13x = 8,307,761,101.23
  5. Step 5: Solve for x
    x = 8,307,761,101.23/143,727.13
  6. Step 6: Final answer
    x = 57,802.32

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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.