Home / 101,318.81-151,954.98-38,145.50

Finding the Fourth Proportional to 101,318.81, 151,954.98 and 38,145.50

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Solution

The fourth proportional to 101,318.81, 151,954.98 and 38,145.50 is: 57,209.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,318.81 : 151,954.98 = 38,145.50 : x
  2. Step 2: Convert to fraction form
    101,318.81/151,954.98 = 38,145.50/x
  3. Step 3: Cross multiply
    101,318.81x = 151,954.98 × 38,145.50
  4. Step 4: Simplify right side
    101,318.81x = 5,796,398,025.18
  5. Step 5: Solve for x
    x = 5,796,398,025.18/101,318.81
  6. Step 6: Final answer
    x = 57,209.49

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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.