Home / 142,477.20-196,620.48-88,783.92

Finding the Fourth Proportional to 142,477.20, 196,620.48 and 88,783.92

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Solution

The fourth proportional to 142,477.20, 196,620.48 and 88,783.92 is: 122,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,477.20 : 196,620.48 = 88,783.92 : x
  2. Step 2: Convert to fraction form
    142,477.20/196,620.48 = 88,783.92/x
  3. Step 3: Cross multiply
    142,477.20x = 196,620.48 × 88,783.92
  4. Step 4: Simplify right side
    142,477.20x = 17,456,736,966.68
  5. Step 5: Solve for x
    x = 17,456,736,966.68/142,477.20
  6. Step 6: Final answer
    x = 122,523.02

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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.