Home / 133,010.67-183,554.10-72,581.13

Finding the Fourth Proportional to 133,010.67, 183,554.10 and 72,581.13

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Solution

The fourth proportional to 133,010.67, 183,554.10 and 72,581.13 is: 100,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,010.67 : 183,554.10 = 72,581.13 : x
  2. Step 2: Convert to fraction form
    133,010.67/183,554.10 = 72,581.13/x
  3. Step 3: Cross multiply
    133,010.67x = 183,554.10 × 72,581.13
  4. Step 4: Simplify right side
    133,010.67x = 13,322,563,994.13
  5. Step 5: Solve for x
    x = 13,322,563,994.13/133,010.67
  6. Step 6: Final answer
    x = 100,161.62

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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.