Home / 105,046.86-157,523.80-30,149.63

Finding the Fourth Proportional to 105,046.86, 157,523.80 and 30,149.63

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Solution

The fourth proportional to 105,046.86, 157,523.80 and 30,149.63 is: 45,211.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,046.86 : 157,523.80 = 30,149.63 : x
  2. Step 2: Convert to fraction form
    105,046.86/157,523.80 = 30,149.63/x
  3. Step 3: Cross multiply
    105,046.86x = 157,523.80 × 30,149.63
  4. Step 4: Simplify right side
    105,046.86x = 4,749,284,286.19
  5. Step 5: Solve for x
    x = 4,749,284,286.19/105,046.86
  6. Step 6: Final answer
    x = 45,211.10

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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.