Home / 111,028.42-153,215.40-63,297.14

Finding the Fourth Proportional to 111,028.42, 153,215.40 and 63,297.14

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Solution

The fourth proportional to 111,028.42, 153,215.40 and 63,297.14 is: 87,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.42 : 153,215.40 = 63,297.14 : x
  2. Step 2: Convert to fraction form
    111,028.42/153,215.40 = 63,297.14/x
  3. Step 3: Cross multiply
    111,028.42x = 153,215.40 × 63,297.14
  4. Step 4: Simplify right side
    111,028.42x = 9,698,096,623.96
  5. Step 5: Solve for x
    x = 9,698,096,623.96/111,028.42
  6. Step 6: Final answer
    x = 87,347.88

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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.