Home / 145,004.04-200,107.17-80,474.22

Finding the Fourth Proportional to 145,004.04, 200,107.17 and 80,474.22

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Solution

The fourth proportional to 145,004.04, 200,107.17 and 80,474.22 is: 111,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,004.04 : 200,107.17 = 80,474.22 : x
  2. Step 2: Convert to fraction form
    145,004.04/200,107.17 = 80,474.22/x
  3. Step 3: Cross multiply
    145,004.04x = 200,107.17 × 80,474.22
  4. Step 4: Simplify right side
    145,004.04x = 16,103,468,422.16
  5. Step 5: Solve for x
    x = 16,103,468,422.16/145,004.04
  6. Step 6: Final answer
    x = 111,055.31

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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.