Home / 105,255.41-157,909.23-30,373.74

Finding the Fourth Proportional to 105,255.41, 157,909.23 and 30,373.74

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Solution

The fourth proportional to 105,255.41, 157,909.23 and 30,373.74 is: 45,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,255.41 : 157,909.23 = 30,373.74 : x
  2. Step 2: Convert to fraction form
    105,255.41/157,909.23 = 30,373.74/x
  3. Step 3: Cross multiply
    105,255.41x = 157,909.23 × 30,373.74
  4. Step 4: Simplify right side
    105,255.41x = 4,796,293,895.62
  5. Step 5: Solve for x
    x = 4,796,293,895.62/105,255.41
  6. Step 6: Final answer
    x = 45,568.15

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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.