Home / 105,204.56-145,144.68-62,174.96

Finding the Fourth Proportional to 105,204.56, 145,144.68 and 62,174.96

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Solution

The fourth proportional to 105,204.56, 145,144.68 and 62,174.96 is: 85,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,204.56 : 145,144.68 = 62,174.96 : x
  2. Step 2: Convert to fraction form
    105,204.56/145,144.68 = 62,174.96/x
  3. Step 3: Cross multiply
    105,204.56x = 145,144.68 × 62,174.96
  4. Step 4: Simplify right side
    105,204.56x = 9,024,364,673.21
  5. Step 5: Solve for x
    x = 9,024,364,673.21/105,204.56
  6. Step 6: Final answer
    x = 85,779.22

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1.5x scale

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.