Home / 160,697.89-221,749.16-91,787.02

Finding the Fourth Proportional to 160,697.89, 221,749.16 and 91,787.02

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Solution

The fourth proportional to 160,697.89, 221,749.16 and 91,787.02 is: 126,658.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,697.89 : 221,749.16 = 91,787.02 : x
  2. Step 2: Convert to fraction form
    160,697.89/221,749.16 = 91,787.02/x
  3. Step 3: Cross multiply
    160,697.89x = 221,749.16 × 91,787.02
  4. Step 4: Simplify right side
    160,697.89x = 20,353,695,334.24
  5. Step 5: Solve for x
    x = 20,353,695,334.24/160,697.89
  6. Step 6: Final answer
    x = 126,658.14

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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.