Home / 134,999.09-186,274.40-87,224.76

Finding the Fourth Proportional to 134,999.09, 186,274.40 and 87,224.76

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Solution

The fourth proportional to 134,999.09, 186,274.40 and 87,224.76 is: 120,354.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,999.09 : 186,274.40 = 87,224.76 : x
  2. Step 2: Convert to fraction form
    134,999.09/186,274.40 = 87,224.76/x
  3. Step 3: Cross multiply
    134,999.09x = 186,274.40 × 87,224.76
  4. Step 4: Simplify right side
    134,999.09x = 16,247,739,398.02
  5. Step 5: Solve for x
    x = 16,247,739,398.02/134,999.09
  6. Step 6: Final answer
    x = 120,354.44

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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.