Home / 105,341.04-145,121.76-73,452.96

Finding the Fourth Proportional to 105,341.04, 145,121.76 and 73,452.96

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Solution

The fourth proportional to 105,341.04, 145,121.76 and 73,452.96 is: 101,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,341.04 : 145,121.76 = 73,452.96 : x
  2. Step 2: Convert to fraction form
    105,341.04/145,121.76 = 73,452.96/x
  3. Step 3: Cross multiply
    105,341.04x = 145,121.76 × 73,452.96
  4. Step 4: Simplify right side
    105,341.04x = 10,659,622,832.41
  5. Step 5: Solve for x
    x = 10,659,622,832.41/105,341.04
  6. Step 6: Final answer
    x = 101,191.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.