Home / 101,975.28-152,984.80-42,776.82

Finding the Fourth Proportional to 101,975.28, 152,984.80 and 42,776.82

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Solution

The fourth proportional to 101,975.28, 152,984.80 and 42,776.82 is: 64,174.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,975.28 : 152,984.80 = 42,776.82 : x
  2. Step 2: Convert to fraction form
    101,975.28/152,984.80 = 42,776.82/x
  3. Step 3: Cross multiply
    101,975.28x = 152,984.80 × 42,776.82
  4. Step 4: Simplify right side
    101,975.28x = 6,544,203,252.34
  5. Step 5: Solve for x
    x = 6,544,203,252.34/101,975.28
  6. Step 6: Final answer
    x = 64,174.41

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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.