Home / 134,595.09-185,741.24-78,039.27

Finding the Fourth Proportional to 134,595.09, 185,741.24 and 78,039.27

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Solution

The fourth proportional to 134,595.09, 185,741.24 and 78,039.27 is: 107,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,595.09 : 185,741.24 = 78,039.27 : x
  2. Step 2: Convert to fraction form
    134,595.09/185,741.24 = 78,039.27/x
  3. Step 3: Cross multiply
    134,595.09x = 185,741.24 × 78,039.27
  4. Step 4: Simplify right side
    134,595.09x = 14,495,110,388.30
  5. Step 5: Solve for x
    x = 14,495,110,388.30/134,595.09
  6. Step 6: Final answer
    x = 107,694.20

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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.