Home / 133,728.38-184,543.52-72,473.26

Finding the Fourth Proportional to 133,728.38, 184,543.52 and 72,473.26

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Solution

The fourth proportional to 133,728.38, 184,543.52 and 72,473.26 is: 100,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,728.38 : 184,543.52 = 72,473.26 : x
  2. Step 2: Convert to fraction form
    133,728.38/184,543.52 = 72,473.26/x
  3. Step 3: Cross multiply
    133,728.38x = 184,543.52 × 72,473.26
  4. Step 4: Simplify right side
    133,728.38x = 13,374,470,506.28
  5. Step 5: Solve for x
    x = 13,374,470,506.28/133,728.38
  6. Step 6: Final answer
    x = 100,012.21

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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.