Home / 131,137.88-196,706.64-52,307.46

Finding the Fourth Proportional to 131,137.88, 196,706.64 and 52,307.46

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Solution

The fourth proportional to 131,137.88, 196,706.64 and 52,307.46 is: 78,461.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,137.88 : 196,706.64 = 52,307.46 : x
  2. Step 2: Convert to fraction form
    131,137.88/196,706.64 = 52,307.46/x
  3. Step 3: Cross multiply
    131,137.88x = 196,706.64 × 52,307.46
  4. Step 4: Simplify right side
    131,137.88x = 10,289,224,703.53
  5. Step 5: Solve for x
    x = 10,289,224,703.53/131,137.88
  6. Step 6: Final answer
    x = 78,461.12

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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.