Home / 101,519.97-152,294.54-31,404.75

Finding the Fourth Proportional to 101,519.97, 152,294.54 and 31,404.75

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Solution

The fourth proportional to 101,519.97, 152,294.54 and 31,404.75 is: 47,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,519.97 : 152,294.54 = 31,404.75 : x
  2. Step 2: Convert to fraction form
    101,519.97/152,294.54 = 31,404.75/x
  3. Step 3: Cross multiply
    101,519.97x = 152,294.54 × 31,404.75
  4. Step 4: Simplify right side
    101,519.97x = 4,782,771,798.04
  5. Step 5: Solve for x
    x = 4,782,771,798.04/101,519.97
  6. Step 6: Final answer
    x = 47,111.64

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1.5x scale

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.