Home / 154,020.40-231,217.80-97,860.40

Finding the Fourth Proportional to 154,020.40, 231,217.80 and 97,860.40

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Solution

The fourth proportional to 154,020.40, 231,217.80 and 97,860.40 is: 146,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,020.40 : 231,217.80 = 97,860.40 : x
  2. Step 2: Convert to fraction form
    154,020.40/231,217.80 = 97,860.40/x
  3. Step 3: Cross multiply
    154,020.40x = 231,217.80 × 97,860.40
  4. Step 4: Simplify right side
    154,020.40x = 22,627,066,395.12
  5. Step 5: Solve for x
    x = 22,627,066,395.12/154,020.40
  6. Step 6: Final answer
    x = 146,909.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.