Home / 187,175.04-280,603.43-81,915.36

Finding the Fourth Proportional to 187,175.04, 280,603.43 and 81,915.36

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Solution

The fourth proportional to 187,175.04, 280,603.43 and 81,915.36 is: 122,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,175.04 : 280,603.43 = 81,915.36 : x
  2. Step 2: Convert to fraction form
    187,175.04/280,603.43 = 81,915.36/x
  3. Step 3: Cross multiply
    187,175.04x = 280,603.43 × 81,915.36
  4. Step 4: Simplify right side
    187,175.04x = 22,985,729,582.67
  5. Step 5: Solve for x
    x = 22,985,729,582.67/187,175.04
  6. Step 6: Final answer
    x = 122,803.39

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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.