Home / 346,445.70-519,560.55-136,148.10

Finding the Fourth Proportional to 346,445.70, 519,560.55 and 136,148.10

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Solution

The fourth proportional to 346,445.70, 519,560.55 and 136,148.10 is: 204,179.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,445.70 : 519,560.55 = 136,148.10 : x
  2. Step 2: Convert to fraction form
    346,445.70/519,560.55 = 136,148.10/x
  3. Step 3: Cross multiply
    346,445.70x = 519,560.55 × 136,148.10
  4. Step 4: Simplify right side
    346,445.70x = 70,737,181,717.46
  5. Step 5: Solve for x
    x = 70,737,181,717.46/346,445.70
  6. Step 6: Final answer
    x = 204,179.71

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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.