Home / 105,007.97-157,519.85-30,127.52

Finding the Fourth Proportional to 105,007.97, 157,519.85 and 30,127.52

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Solution

The fourth proportional to 105,007.97, 157,519.85 and 30,127.52 is: 45,193.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,007.97 : 157,519.85 = 30,127.52 : x
  2. Step 2: Convert to fraction form
    105,007.97/157,519.85 = 30,127.52/x
  3. Step 3: Cross multiply
    105,007.97x = 157,519.85 × 30,127.52
  4. Step 4: Simplify right side
    105,007.97x = 4,745,681,493.04
  5. Step 5: Solve for x
    x = 4,745,681,493.04/105,007.97
  6. Step 6: Final answer
    x = 45,193.54

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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.