Home / 133,010.61-183,548.93-72,579.75

Finding the Fourth Proportional to 133,010.61, 183,548.93 and 72,579.75

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Solution

The fourth proportional to 133,010.61, 183,548.93 and 72,579.75 is: 100,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,010.61 : 183,548.93 = 72,579.75 : x
  2. Step 2: Convert to fraction form
    133,010.61/183,548.93 = 72,579.75/x
  3. Step 3: Cross multiply
    133,010.61x = 183,548.93 × 72,579.75
  4. Step 4: Simplify right side
    133,010.61x = 13,321,935,452.17
  5. Step 5: Solve for x
    x = 13,321,935,452.17/133,010.61
  6. Step 6: Final answer
    x = 100,156.94

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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.