Home / 247,746.95-341,914.78-138,869.76

Finding the Fourth Proportional to 247,746.95, 341,914.78 and 138,869.76

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Solution

The fourth proportional to 247,746.95, 341,914.78 and 138,869.76 is: 191,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,746.95 : 341,914.78 = 138,869.76 : x
  2. Step 2: Convert to fraction form
    247,746.95/341,914.78 = 138,869.76/x
  3. Step 3: Cross multiply
    247,746.95x = 341,914.78 × 138,869.76
  4. Step 4: Simplify right side
    247,746.95x = 47,481,624,113.68
  5. Step 5: Solve for x
    x = 47,481,624,113.68/247,746.95
  6. Step 6: Final answer
    x = 191,653.71

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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.