Home / 143,184.25-197,587.87-85,855.22

Finding the Fourth Proportional to 143,184.25, 197,587.87 and 85,855.22

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Solution

The fourth proportional to 143,184.25, 197,587.87 and 85,855.22 is: 118,476.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,184.25 : 197,587.87 = 85,855.22 : x
  2. Step 2: Convert to fraction form
    143,184.25/197,587.87 = 85,855.22/x
  3. Step 3: Cross multiply
    143,184.25x = 197,587.87 × 85,855.22
  4. Step 4: Simplify right side
    143,184.25x = 16,963,949,768.85
  5. Step 5: Solve for x
    x = 16,963,949,768.85/143,184.25
  6. Step 6: Final answer
    x = 118,476.37

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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.