Home / 144,297.38-199,130.04-80,635.17

Finding the Fourth Proportional to 144,297.38, 199,130.04 and 80,635.17

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Solution

The fourth proportional to 144,297.38, 199,130.04 and 80,635.17 is: 111,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,297.38 : 199,130.04 = 80,635.17 : x
  2. Step 2: Convert to fraction form
    144,297.38/199,130.04 = 80,635.17/x
  3. Step 3: Cross multiply
    144,297.38x = 199,130.04 × 80,635.17
  4. Step 4: Simplify right side
    144,297.38x = 16,056,884,627.51
  5. Step 5: Solve for x
    x = 16,056,884,627.51/144,297.38
  6. Step 6: Final answer
    x = 111,276.35

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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.