Home / 142,239.33-213,463.99-67,359.35

Finding the Fourth Proportional to 142,239.33, 213,463.99 and 67,359.35

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Solution

The fourth proportional to 142,239.33, 213,463.99 and 67,359.35 is: 101,088.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,239.33 : 213,463.99 = 67,359.35 : x
  2. Step 2: Convert to fraction form
    142,239.33/213,463.99 = 67,359.35/x
  3. Step 3: Cross multiply
    142,239.33x = 213,463.99 × 67,359.35
  4. Step 4: Simplify right side
    142,239.33x = 14,378,795,614.81
  5. Step 5: Solve for x
    x = 14,378,795,614.81/142,239.33
  6. Step 6: Final answer
    x = 101,088.75

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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.