Home / 247,018.11-340,885.21-133,840.86

Finding the Fourth Proportional to 247,018.11, 340,885.21 and 133,840.86

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Solution

The fourth proportional to 247,018.11, 340,885.21 and 133,840.86 is: 184,700.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,018.11 : 340,885.21 = 133,840.86 : x
  2. Step 2: Convert to fraction form
    247,018.11/340,885.21 = 133,840.86/x
  3. Step 3: Cross multiply
    247,018.11x = 340,885.21 × 133,840.86
  4. Step 4: Simplify right side
    247,018.11x = 45,624,369,667.68
  5. Step 5: Solve for x
    x = 45,624,369,667.68/247,018.11
  6. Step 6: Final answer
    x = 184,700.51

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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.