Home / 143,184.26-197,587.87-85,855.22

Finding the Fourth Proportional to 143,184.26, 197,587.87 and 85,855.22

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Solution

The fourth proportional to 143,184.26, 197,587.87 and 85,855.22 is: 118,476.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,184.26 : 197,587.87 = 85,855.22 : x
  2. Step 2: Convert to fraction form
    143,184.26/197,587.87 = 85,855.22/x
  3. Step 3: Cross multiply
    143,184.26x = 197,587.87 × 85,855.22
  4. Step 4: Simplify right side
    143,184.26x = 16,963,950,048.18
  5. Step 5: Solve for x
    x = 16,963,950,048.18/143,184.26
  6. Step 6: Final answer
    x = 118,476.36

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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.