Home / 154,781.44-213,507.89-97,329.84

Finding the Fourth Proportional to 154,781.44, 213,507.89 and 97,329.84

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Solution

The fourth proportional to 154,781.44, 213,507.89 and 97,329.84 is: 134,258.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,781.44 : 213,507.89 = 97,329.84 : x
  2. Step 2: Convert to fraction form
    154,781.44/213,507.89 = 97,329.84/x
  3. Step 3: Cross multiply
    154,781.44x = 213,507.89 × 97,329.84
  4. Step 4: Simplify right side
    154,781.44x = 20,780,688,772.44
  5. Step 5: Solve for x
    x = 20,780,688,772.44/154,781.44
  6. Step 6: Final answer
    x = 134,258.27

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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.