Home / 126,145.79-173,900.34-99,241.64

Finding the Fourth Proportional to 126,145.79, 173,900.34 and 99,241.64

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Solution

The fourth proportional to 126,145.79, 173,900.34 and 99,241.64 is: 136,811.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,145.79 : 173,900.34 = 99,241.64 : x
  2. Step 2: Convert to fraction form
    126,145.79/173,900.34 = 99,241.64/x
  3. Step 3: Cross multiply
    126,145.79x = 173,900.34 × 99,241.64
  4. Step 4: Simplify right side
    126,145.79x = 17,258,154,938.16
  5. Step 5: Solve for x
    x = 17,258,154,938.16/126,145.79
  6. Step 6: Final answer
    x = 136,811.18

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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.