Home / 275,632.11-380,407.55-168,179.36

Finding the Fourth Proportional to 275,632.11, 380,407.55 and 168,179.36

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Solution

The fourth proportional to 275,632.11, 380,407.55 and 168,179.36 is: 232,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,632.11 : 380,407.55 = 168,179.36 : x
  2. Step 2: Convert to fraction form
    275,632.11/380,407.55 = 168,179.36/x
  3. Step 3: Cross multiply
    275,632.11x = 380,407.55 × 168,179.36
  4. Step 4: Simplify right side
    275,632.11x = 63,976,695,555.23
  5. Step 5: Solve for x
    x = 63,976,695,555.23/275,632.11
  6. Step 6: Final answer
    x = 232,109.01

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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.