Home / 160,190.10-221,066.78-88,574.76

Finding the Fourth Proportional to 160,190.10, 221,066.78 and 88,574.76

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Solution

The fourth proportional to 160,190.10, 221,066.78 and 88,574.76 is: 122,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,190.10 : 221,066.78 = 88,574.76 : x
  2. Step 2: Convert to fraction form
    160,190.10/221,066.78 = 88,574.76/x
  3. Step 3: Cross multiply
    160,190.10x = 221,066.78 × 88,574.76
  4. Step 4: Simplify right side
    160,190.10x = 19,580,936,539.60
  5. Step 5: Solve for x
    x = 19,580,936,539.60/160,190.10
  6. Step 6: Final answer
    x = 122,235.62

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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.