Home / 133,069.13-183,666.24-87,755.30

Finding the Fourth Proportional to 133,069.13, 183,666.24 and 87,755.30

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Solution

The fourth proportional to 133,069.13, 183,666.24 and 87,755.30 is: 121,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,069.13 : 183,666.24 = 87,755.30 : x
  2. Step 2: Convert to fraction form
    133,069.13/183,666.24 = 87,755.30/x
  3. Step 3: Cross multiply
    133,069.13x = 183,666.24 × 87,755.30
  4. Step 4: Simplify right side
    133,069.13x = 16,117,685,991.07
  5. Step 5: Solve for x
    x = 16,117,685,991.07/133,069.13
  6. Step 6: Final answer
    x = 121,122.65

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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.