Home / 145,108.35-217,826.55-111,975.30

Finding the Fourth Proportional to 145,108.35, 217,826.55 and 111,975.30

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Solution

The fourth proportional to 145,108.35, 217,826.55 and 111,975.30 is: 168,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,108.35 : 217,826.55 = 111,975.30 : x
  2. Step 2: Convert to fraction form
    145,108.35/217,826.55 = 111,975.30/x
  3. Step 3: Cross multiply
    145,108.35x = 217,826.55 × 111,975.30
  4. Step 4: Simplify right side
    145,108.35x = 24,391,193,284.22
  5. Step 5: Solve for x
    x = 24,391,193,284.22/145,108.35
  6. Step 6: Final answer
    x = 168,089.52

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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.