Home / 133,346-184,009.92-72,905.36

Finding the Fourth Proportional to 133,346, 184,009.92 and 72,905.36

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Solution

The fourth proportional to 133,346, 184,009.92 and 72,905.36 is: 100,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,346 : 184,009.92 = 72,905.36 : x
  2. Step 2: Convert to fraction form
    133,346/184,009.92 = 72,905.36/x
  3. Step 3: Cross multiply
    133,346x = 184,009.92 × 72,905.36
  4. Step 4: Simplify right side
    133,346x = 13,415,309,461.17
  5. Step 5: Solve for x
    x = 13,415,309,461.17/133,346
  6. Step 6: Final answer
    x = 100,605.26

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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.