Home / 134,595.36-185,741.60-78,039.52

Finding the Fourth Proportional to 134,595.36, 185,741.60 and 78,039.52

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Solution

The fourth proportional to 134,595.36, 185,741.60 and 78,039.52 is: 107,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,595.36 : 185,741.60 = 78,039.52 : x
  2. Step 2: Convert to fraction form
    134,595.36/185,741.60 = 78,039.52/x
  3. Step 3: Cross multiply
    134,595.36x = 185,741.60 × 78,039.52
  4. Step 4: Simplify right side
    134,595.36x = 14,495,185,308.03
  5. Step 5: Solve for x
    x = 14,495,185,308.03/134,595.36
  6. Step 6: Final answer
    x = 107,694.54

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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.