Home / 160,246.74-221,143.83-88,631.61

Finding the Fourth Proportional to 160,246.74, 221,143.83 and 88,631.61

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Solution

The fourth proportional to 160,246.74, 221,143.83 and 88,631.61 is: 122,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,246.74 : 221,143.83 = 88,631.61 : x
  2. Step 2: Convert to fraction form
    160,246.74/221,143.83 = 88,631.61/x
  3. Step 3: Cross multiply
    160,246.74x = 221,143.83 × 88,631.61
  4. Step 4: Simplify right side
    160,246.74x = 19,600,333,694.47
  5. Step 5: Solve for x
    x = 19,600,333,694.47/160,246.74
  6. Step 6: Final answer
    x = 122,313.46

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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.