Home / 133,190.61-183,800.04-72,761.52

Finding the Fourth Proportional to 133,190.61, 183,800.04 and 72,761.52

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Solution

The fourth proportional to 133,190.61, 183,800.04 and 72,761.52 is: 100,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,190.61 : 183,800.04 = 72,761.52 : x
  2. Step 2: Convert to fraction form
    133,190.61/183,800.04 = 72,761.52/x
  3. Step 3: Cross multiply
    133,190.61x = 183,800.04 × 72,761.52
  4. Step 4: Simplify right side
    133,190.61x = 13,373,570,702.86
  5. Step 5: Solve for x
    x = 13,373,570,702.86/133,190.61
  6. Step 6: Final answer
    x = 100,409.26

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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.