Home / 145,053.66-200,171.04-80,519.14

Finding the Fourth Proportional to 145,053.66, 200,171.04 and 80,519.14

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Solution

The fourth proportional to 145,053.66, 200,171.04 and 80,519.14 is: 111,114.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,053.66 : 200,171.04 = 80,519.14 : x
  2. Step 2: Convert to fraction form
    145,053.66/200,171.04 = 80,519.14/x
  3. Step 3: Cross multiply
    145,053.66x = 200,171.04 × 80,519.14
  4. Step 4: Simplify right side
    145,053.66x = 16,117,599,993.71
  5. Step 5: Solve for x
    x = 16,117,599,993.71/145,053.66
  6. Step 6: Final answer
    x = 111,114.74

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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.