Home / 133,711.41-184,523.16-73,280.72

Finding the Fourth Proportional to 133,711.41, 184,523.16 and 73,280.72

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Solution

The fourth proportional to 133,711.41, 184,523.16 and 73,280.72 is: 101,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,711.41 : 184,523.16 = 73,280.72 : x
  2. Step 2: Convert to fraction form
    133,711.41/184,523.16 = 73,280.72/x
  3. Step 3: Cross multiply
    133,711.41x = 184,523.16 × 73,280.72
  4. Step 4: Simplify right side
    133,711.41x = 13,521,989,098.86
  5. Step 5: Solve for x
    x = 13,521,989,098.86/133,711.41
  6. Step 6: Final answer
    x = 101,128.16

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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.