Home / 275,946.04-380,739-161,159.52

Finding the Fourth Proportional to 275,946.04, 380,739 and 161,159.52

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Solution

The fourth proportional to 275,946.04, 380,739 and 161,159.52 is: 222,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,946.04 : 380,739 = 161,159.52 : x
  2. Step 2: Convert to fraction form
    275,946.04/380,739 = 161,159.52/x
  3. Step 3: Cross multiply
    275,946.04x = 380,739 × 161,159.52
  4. Step 4: Simplify right side
    275,946.04x = 61,359,714,485.28
  5. Step 5: Solve for x
    x = 61,359,714,485.28/275,946.04
  6. Step 6: Final answer
    x = 222,361.28

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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.