Home / 146,775.47-202,550.96-86,348.39

Finding the Fourth Proportional to 146,775.47, 202,550.96 and 86,348.39

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Solution

The fourth proportional to 146,775.47, 202,550.96 and 86,348.39 is: 119,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,775.47 : 202,550.96 = 86,348.39 : x
  2. Step 2: Convert to fraction form
    146,775.47/202,550.96 = 86,348.39/x
  3. Step 3: Cross multiply
    146,775.47x = 202,550.96 × 86,348.39
  4. Step 4: Simplify right side
    146,775.47x = 17,489,948,857.21
  5. Step 5: Solve for x
    x = 17,489,948,857.21/146,775.47
  6. Step 6: Final answer
    x = 119,161.25

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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.