Home / 134,617.04-185,772.77-74,189.88

Finding the Fourth Proportional to 134,617.04, 185,772.77 and 74,189.88

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Solution

The fourth proportional to 134,617.04, 185,772.77 and 74,189.88 is: 102,382.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.04 : 185,772.77 = 74,189.88 : x
  2. Step 2: Convert to fraction form
    134,617.04/185,772.77 = 74,189.88/x
  3. Step 3: Cross multiply
    134,617.04x = 185,772.77 × 74,189.88
  4. Step 4: Simplify right side
    134,617.04x = 13,782,459,142.62
  5. Step 5: Solve for x
    x = 13,782,459,142.62/134,617.04
  6. Step 6: Final answer
    x = 102,382.73

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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.