Home / 173,868.90-260,803.35-85,136.10

Finding the Fourth Proportional to 173,868.90, 260,803.35 and 85,136.10

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Solution

The fourth proportional to 173,868.90, 260,803.35 and 85,136.10 is: 127,704.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.90 : 260,803.35 = 85,136.10 : x
  2. Step 2: Convert to fraction form
    173,868.90/260,803.35 = 85,136.10/x
  3. Step 3: Cross multiply
    173,868.90x = 260,803.35 × 85,136.10
  4. Step 4: Simplify right side
    173,868.90x = 22,203,780,085.94
  5. Step 5: Solve for x
    x = 22,203,780,085.94/173,868.90
  6. Step 6: Final answer
    x = 127,704.15

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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.