Home / 115,240.74-172,846.53-45,169.26

Finding the Fourth Proportional to 115,240.74, 172,846.53 and 45,169.26

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Solution

The fourth proportional to 115,240.74, 172,846.53 and 45,169.26 is: 67,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,240.74 : 172,846.53 = 45,169.26 : x
  2. Step 2: Convert to fraction form
    115,240.74/172,846.53 = 45,169.26/x
  3. Step 3: Cross multiply
    115,240.74x = 172,846.53 × 45,169.26
  4. Step 4: Simplify right side
    115,240.74x = 7,807,349,853.67
  5. Step 5: Solve for x
    x = 7,807,349,853.67/115,240.74
  6. Step 6: Final answer
    x = 67,748.18

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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.