Home / 79,437.72-119,156.52-20,273.40

Finding the Fourth Proportional to 79,437.72, 119,156.52 and 20,273.40

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Solution

The fourth proportional to 79,437.72, 119,156.52 and 20,273.40 is: 30,410.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.72 : 119,156.52 = 20,273.40 : x
  2. Step 2: Convert to fraction form
    79,437.72/119,156.52 = 20,273.40/x
  3. Step 3: Cross multiply
    79,437.72x = 119,156.52 × 20,273.40
  4. Step 4: Simplify right side
    79,437.72x = 2,415,707,792.57
  5. Step 5: Solve for x
    x = 2,415,707,792.57/79,437.72
  6. Step 6: Final answer
    x = 30,410.08

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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.