Home / 160,742.48-221,838.20-89,145.56

Finding the Fourth Proportional to 160,742.48, 221,838.20 and 89,145.56

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Solution

The fourth proportional to 160,742.48, 221,838.20 and 89,145.56 is: 123,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,742.48 : 221,838.20 = 89,145.56 : x
  2. Step 2: Convert to fraction form
    160,742.48/221,838.20 = 89,145.56/x
  3. Step 3: Cross multiply
    160,742.48x = 221,838.20 × 89,145.56
  4. Step 4: Simplify right side
    160,742.48x = 19,775,890,677.26
  5. Step 5: Solve for x
    x = 19,775,890,677.26/160,742.48
  6. Step 6: Final answer
    x = 123,028.41

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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.