Home / 173,869.15-260,803.73-85,136.35

Finding the Fourth Proportional to 173,869.15, 260,803.73 and 85,136.35

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Solution

The fourth proportional to 173,869.15, 260,803.73 and 85,136.35 is: 127,704.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,869.15 : 260,803.73 = 85,136.35 : x
  2. Step 2: Convert to fraction form
    173,869.15/260,803.73 = 85,136.35/x
  3. Step 3: Cross multiply
    173,869.15x = 260,803.73 × 85,136.35
  4. Step 4: Simplify right side
    173,869.15x = 22,203,877,638.59
  5. Step 5: Solve for x
    x = 22,203,877,638.59/173,869.15
  6. Step 6: Final answer
    x = 127,704.53

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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.