Home / 248,077.76-342,356.32-142,114.24

Finding the Fourth Proportional to 248,077.76, 342,356.32 and 142,114.24

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Solution

The fourth proportional to 248,077.76, 342,356.32 and 142,114.24 is: 196,122.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,077.76 : 342,356.32 = 142,114.24 : x
  2. Step 2: Convert to fraction form
    248,077.76/342,356.32 = 142,114.24/x
  3. Step 3: Cross multiply
    248,077.76x = 342,356.32 × 142,114.24
  4. Step 4: Simplify right side
    248,077.76x = 48,653,708,226.00
  5. Step 5: Solve for x
    x = 48,653,708,226.00/248,077.76
  6. Step 6: Final answer
    x = 196,122.81

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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.