Home / 187,118.08-258,136.32-107,584

Finding the Fourth Proportional to 187,118.08, 258,136.32 and 107,584

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Solution

The fourth proportional to 187,118.08, 258,136.32 and 107,584 is: 148,416.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,118.08 : 258,136.32 = 107,584 : x
  2. Step 2: Convert to fraction form
    187,118.08/258,136.32 = 107,584/x
  3. Step 3: Cross multiply
    187,118.08x = 258,136.32 × 107,584
  4. Step 4: Simplify right side
    187,118.08x = 27,771,337,850.88
  5. Step 5: Solve for x
    x = 27,771,337,850.88/187,118.08
  6. Step 6: Final answer
    x = 148,416.11

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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.