Home / 81,614.24-122,306.40-64,900.10

Finding the Fourth Proportional to 81,614.24, 122,306.40 and 64,900.10

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Solution

The fourth proportional to 81,614.24, 122,306.40 and 64,900.10 is: 97,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,614.24 : 122,306.40 = 64,900.10 : x
  2. Step 2: Convert to fraction form
    81,614.24/122,306.40 = 64,900.10/x
  3. Step 3: Cross multiply
    81,614.24x = 122,306.40 × 64,900.10
  4. Step 4: Simplify right side
    81,614.24x = 7,937,697,590.64
  5. Step 5: Solve for x
    x = 7,937,697,590.64/81,614.24
  6. Step 6: Final answer
    x = 97,258.73

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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.