Home / 217,545.60-300,208.32-122,075.52

Finding the Fourth Proportional to 217,545.60, 300,208.32 and 122,075.52

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Solution

The fourth proportional to 217,545.60, 300,208.32 and 122,075.52 is: 168,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,545.60 : 300,208.32 = 122,075.52 : x
  2. Step 2: Convert to fraction form
    217,545.60/300,208.32 = 122,075.52/x
  3. Step 3: Cross multiply
    217,545.60x = 300,208.32 × 122,075.52
  4. Step 4: Simplify right side
    217,545.60x = 36,648,086,772.33
  5. Step 5: Solve for x
    x = 36,648,086,772.33/217,545.60
  6. Step 6: Final answer
    x = 168,461.63

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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.