Home / 143,722.34-215,567.10-38,533.13

Finding the Fourth Proportional to 143,722.34, 215,567.10 and 38,533.13

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Solution

The fourth proportional to 143,722.34, 215,567.10 and 38,533.13 is: 57,795.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,722.34 : 215,567.10 = 38,533.13 : x
  2. Step 2: Convert to fraction form
    143,722.34/215,567.10 = 38,533.13/x
  3. Step 3: Cross multiply
    143,722.34x = 215,567.10 × 38,533.13
  4. Step 4: Simplify right side
    143,722.34x = 8,306,474,010.19
  5. Step 5: Solve for x
    x = 8,306,474,010.19/143,722.34
  6. Step 6: Final answer
    x = 57,795.29

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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.