Home / 160,847.16-221,970.42-89,231.82

Finding the Fourth Proportional to 160,847.16, 221,970.42 and 89,231.82

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Solution

The fourth proportional to 160,847.16, 221,970.42 and 89,231.82 is: 123,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,847.16 : 221,970.42 = 89,231.82 : x
  2. Step 2: Convert to fraction form
    160,847.16/221,970.42 = 89,231.82/x
  3. Step 3: Cross multiply
    160,847.16x = 221,970.42 × 89,231.82
  4. Step 4: Simplify right side
    160,847.16x = 19,806,824,562.76
  5. Step 5: Solve for x
    x = 19,806,824,562.76/160,847.16
  6. Step 6: Final answer
    x = 123,140.65

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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.