Home / 240,185.07-360,155.31-80,203.48

Finding the Fourth Proportional to 240,185.07, 360,155.31 and 80,203.48

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Solution

The fourth proportional to 240,185.07, 360,155.31 and 80,203.48 is: 120,264.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,185.07 : 360,155.31 = 80,203.48 : x
  2. Step 2: Convert to fraction form
    240,185.07/360,155.31 = 80,203.48/x
  3. Step 3: Cross multiply
    240,185.07x = 360,155.31 × 80,203.48
  4. Step 4: Simplify right side
    240,185.07x = 28,885,709,202.48
  5. Step 5: Solve for x
    x = 28,885,709,202.48/240,185.07
  6. Step 6: Final answer
    x = 120,264.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.