Home / 251,941.02-377,909.17-102,145.70

Finding the Fourth Proportional to 251,941.02, 377,909.17 and 102,145.70

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Solution

The fourth proportional to 251,941.02, 377,909.17 and 102,145.70 is: 153,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,941.02 : 377,909.17 = 102,145.70 : x
  2. Step 2: Convert to fraction form
    251,941.02/377,909.17 = 102,145.70/x
  3. Step 3: Cross multiply
    251,941.02x = 377,909.17 × 102,145.70
  4. Step 4: Simplify right side
    251,941.02x = 38,601,796,706.07
  5. Step 5: Solve for x
    x = 38,601,796,706.07/251,941.02
  6. Step 6: Final answer
    x = 153,217.59

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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.