Home / 247,948.14-342,144.51-139,056.89

Finding the Fourth Proportional to 247,948.14, 342,144.51 and 139,056.89

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Solution

The fourth proportional to 247,948.14, 342,144.51 and 139,056.89 is: 191,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,948.14 : 342,144.51 = 139,056.89 : x
  2. Step 2: Convert to fraction form
    247,948.14/342,144.51 = 139,056.89/x
  3. Step 3: Cross multiply
    247,948.14x = 342,144.51 × 139,056.89
  4. Step 4: Simplify right side
    247,948.14x = 47,577,552,346.54
  5. Step 5: Solve for x
    x = 47,577,552,346.54/247,948.14
  6. Step 6: Final answer
    x = 191,885.09

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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.