Home / 247,122.47-341,025.31-139,688.73

Finding the Fourth Proportional to 247,122.47, 341,025.31 and 139,688.73

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Solution

The fourth proportional to 247,122.47, 341,025.31 and 139,688.73 is: 192,768.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,122.47 : 341,025.31 = 139,688.73 : x
  2. Step 2: Convert to fraction form
    247,122.47/341,025.31 = 139,688.73/x
  3. Step 3: Cross multiply
    247,122.47x = 341,025.31 × 139,688.73
  4. Step 4: Simplify right side
    247,122.47x = 47,637,392,451.76
  5. Step 5: Solve for x
    x = 47,637,392,451.76/247,122.47
  6. Step 6: Final answer
    x = 192,768.36

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1.5x scale

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.