Home / 160,122.42-220,966.18-88,503.64

Finding the Fourth Proportional to 160,122.42, 220,966.18 and 88,503.64

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Solution

The fourth proportional to 160,122.42, 220,966.18 and 88,503.64 is: 122,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,122.42 : 220,966.18 = 88,503.64 : x
  2. Step 2: Convert to fraction form
    160,122.42/220,966.18 = 88,503.64/x
  3. Step 3: Cross multiply
    160,122.42x = 220,966.18 × 88,503.64
  4. Step 4: Simplify right side
    160,122.42x = 19,556,310,473.22
  5. Step 5: Solve for x
    x = 19,556,310,473.22/160,122.42
  6. Step 6: Final answer
    x = 122,133.49

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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.