Home / 281,941.15-389,042.93-161,090.26

Finding the Fourth Proportional to 281,941.15, 389,042.93 and 161,090.26

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Solution

The fourth proportional to 281,941.15, 389,042.93 and 161,090.26 is: 222,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,941.15 : 389,042.93 = 161,090.26 : x
  2. Step 2: Convert to fraction form
    281,941.15/389,042.93 = 161,090.26/x
  3. Step 3: Cross multiply
    281,941.15x = 389,042.93 × 161,090.26
  4. Step 4: Simplify right side
    281,941.15x = 62,671,024,799.65
  5. Step 5: Solve for x
    x = 62,671,024,799.65/281,941.15
  6. Step 6: Final answer
    x = 222,284.07

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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.