Home / 134,169.81-185,158.77-73,742.60

Finding the Fourth Proportional to 134,169.81, 185,158.77 and 73,742.60

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Solution

The fourth proportional to 134,169.81, 185,158.77 and 73,742.60 is: 101,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,169.81 : 185,158.77 = 73,742.60 : x
  2. Step 2: Convert to fraction form
    134,169.81/185,158.77 = 73,742.60/x
  3. Step 3: Cross multiply
    134,169.81x = 185,158.77 × 73,742.60
  4. Step 4: Simplify right side
    134,169.81x = 13,654,088,186.81
  5. Step 5: Solve for x
    x = 13,654,088,186.81/134,169.81
  6. Step 6: Final answer
    x = 101,767.22

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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.