Home / 205,158.12-307,752.74-55,396.23

Finding the Fourth Proportional to 205,158.12, 307,752.74 and 55,396.23

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Solution

The fourth proportional to 205,158.12, 307,752.74 and 55,396.23 is: 83,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,158.12 : 307,752.74 = 55,396.23 : x
  2. Step 2: Convert to fraction form
    205,158.12/307,752.74 = 55,396.23/x
  3. Step 3: Cross multiply
    205,158.12x = 307,752.74 × 55,396.23
  4. Step 4: Simplify right side
    205,158.12x = 17,048,341,706.66
  5. Step 5: Solve for x
    x = 17,048,341,706.66/205,158.12
  6. Step 6: Final answer
    x = 83,098.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.