Home / 242,312.90-334,388.22-134,882.78

Finding the Fourth Proportional to 242,312.90, 334,388.22 and 134,882.78

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Solution

The fourth proportional to 242,312.90, 334,388.22 and 134,882.78 is: 186,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,312.90 : 334,388.22 = 134,882.78 : x
  2. Step 2: Convert to fraction form
    242,312.90/334,388.22 = 134,882.78/x
  3. Step 3: Cross multiply
    242,312.90x = 334,388.22 × 134,882.78
  4. Step 4: Simplify right side
    242,312.90x = 45,103,212,712.85
  5. Step 5: Solve for x
    x = 45,103,212,712.85/242,312.90
  6. Step 6: Final answer
    x = 186,136.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.