Home / 101,011.25-151,538.75-38,681.75

Finding the Fourth Proportional to 101,011.25, 151,538.75 and 38,681.75

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Solution

The fourth proportional to 101,011.25, 151,538.75 and 38,681.75 is: 58,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,011.25 : 151,538.75 = 38,681.75 : x
  2. Step 2: Convert to fraction form
    101,011.25/151,538.75 = 38,681.75/x
  3. Step 3: Cross multiply
    101,011.25x = 151,538.75 × 38,681.75
  4. Step 4: Simplify right side
    101,011.25x = 5,861,784,042.81
  5. Step 5: Solve for x
    x = 5,861,784,042.81/101,011.25
  6. Step 6: Final answer
    x = 58,031.00

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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.