Home / 160,736.76-221,816.40-89,114.94

Finding the Fourth Proportional to 160,736.76, 221,816.40 and 89,114.94

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Solution

The fourth proportional to 160,736.76, 221,816.40 and 89,114.94 is: 122,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,736.76 : 221,816.40 = 89,114.94 : x
  2. Step 2: Convert to fraction form
    160,736.76/221,816.40 = 89,114.94/x
  3. Step 3: Cross multiply
    160,736.76x = 221,816.40 × 89,114.94
  4. Step 4: Simplify right side
    160,736.76x = 19,767,155,177.02
  5. Step 5: Solve for x
    x = 19,767,155,177.02/160,736.76
  6. Step 6: Final answer
    x = 122,978.43

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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.