Home / 160,749.24-221,846.49-89,143.22

Finding the Fourth Proportional to 160,749.24, 221,846.49 and 89,143.22

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Solution

The fourth proportional to 160,749.24, 221,846.49 and 89,143.22 is: 123,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,749.24 : 221,846.49 = 89,143.22 : x
  2. Step 2: Convert to fraction form
    160,749.24/221,846.49 = 89,143.22/x
  3. Step 3: Cross multiply
    160,749.24x = 221,846.49 × 89,143.22
  4. Step 4: Simplify right side
    160,749.24x = 19,776,109,355.07
  5. Step 5: Solve for x
    x = 19,776,109,355.07/160,749.24
  6. Step 6: Final answer
    x = 123,024.59

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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.