Home / 133,372.37-184,047.07-72,931.28

Finding the Fourth Proportional to 133,372.37, 184,047.07 and 72,931.28

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Solution

The fourth proportional to 133,372.37, 184,047.07 and 72,931.28 is: 100,641.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,372.37 : 184,047.07 = 72,931.28 : x
  2. Step 2: Convert to fraction form
    133,372.37/184,047.07 = 72,931.28/x
  3. Step 3: Cross multiply
    133,372.37x = 184,047.07 × 72,931.28
  4. Step 4: Simplify right side
    133,372.37x = 13,422,788,213.02
  5. Step 5: Solve for x
    x = 13,422,788,213.02/133,372.37
  6. Step 6: Final answer
    x = 100,641.45

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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.