Home / 247,154.37-341,070.45-138,257.30

Finding the Fourth Proportional to 247,154.37, 341,070.45 and 138,257.30

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Solution

The fourth proportional to 247,154.37, 341,070.45 and 138,257.30 is: 190,793.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,154.37 : 341,070.45 = 138,257.30 : x
  2. Step 2: Convert to fraction form
    247,154.37/341,070.45 = 138,257.30/x
  3. Step 3: Cross multiply
    247,154.37x = 341,070.45 × 138,257.30
  4. Step 4: Simplify right side
    247,154.37x = 47,155,477,821.43
  5. Step 5: Solve for x
    x = 47,155,477,821.43/247,154.37
  6. Step 6: Final answer
    x = 190,793.62

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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.