Home / 143,347.83-215,005.19-38,175.00

Finding the Fourth Proportional to 143,347.83, 215,005.19 and 38,175.00

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Solution

The fourth proportional to 143,347.83, 215,005.19 and 38,175.00 is: 57,258.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,347.83 : 215,005.19 = 38,175.00 : x
  2. Step 2: Convert to fraction form
    143,347.83/215,005.19 = 38,175.00/x
  3. Step 3: Cross multiply
    143,347.83x = 215,005.19 × 38,175.00
  4. Step 4: Simplify right side
    143,347.83x = 8,207,822,131.11
  5. Step 5: Solve for x
    x = 8,207,822,131.11/143,347.83
  6. Step 6: Final answer
    x = 57,258.09

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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.