Home / 247,856.05-342,040.51-140,446.55

Finding the Fourth Proportional to 247,856.05, 342,040.51 and 140,446.55

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Solution

The fourth proportional to 247,856.05, 342,040.51 and 140,446.55 is: 193,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,856.05 : 342,040.51 = 140,446.55 : x
  2. Step 2: Convert to fraction form
    247,856.05/342,040.51 = 140,446.55/x
  3. Step 3: Cross multiply
    247,856.05x = 342,040.51 × 140,446.55
  4. Step 4: Simplify right side
    247,856.05x = 48,038,408,887.51
  5. Step 5: Solve for x
    x = 48,038,408,887.51/247,856.05
  6. Step 6: Final answer
    x = 193,815.76

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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.