Home / 131,238.49-196,889.02-42,492.02

Finding the Fourth Proportional to 131,238.49, 196,889.02 and 42,492.02

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Solution

The fourth proportional to 131,238.49, 196,889.02 and 42,492.02 is: 63,748.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,238.49 : 196,889.02 = 42,492.02 : x
  2. Step 2: Convert to fraction form
    131,238.49/196,889.02 = 42,492.02/x
  3. Step 3: Cross multiply
    131,238.49x = 196,889.02 × 42,492.02
  4. Step 4: Simplify right side
    131,238.49x = 8,366,212,175.62
  5. Step 5: Solve for x
    x = 8,366,212,175.62/131,238.49
  6. Step 6: Final answer
    x = 63,748.16

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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.