Home / 124,608.12-186,772.86-65,450.04

Finding the Fourth Proportional to 124,608.12, 186,772.86 and 65,450.04

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Solution

The fourth proportional to 124,608.12, 186,772.86 and 65,450.04 is: 98,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,608.12 : 186,772.86 = 65,450.04 : x
  2. Step 2: Convert to fraction form
    124,608.12/186,772.86 = 65,450.04/x
  3. Step 3: Cross multiply
    124,608.12x = 186,772.86 × 65,450.04
  4. Step 4: Simplify right side
    124,608.12x = 12,224,291,157.91
  5. Step 5: Solve for x
    x = 12,224,291,157.91/124,608.12
  6. Step 6: Final answer
    x = 98,101.88

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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.