Home / 134,697.58-185,841.44-78,097.66

Finding the Fourth Proportional to 134,697.58, 185,841.44 and 78,097.66

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Solution

The fourth proportional to 134,697.58, 185,841.44 and 78,097.66 is: 107,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,697.58 : 185,841.44 = 78,097.66 : x
  2. Step 2: Convert to fraction form
    134,697.58/185,841.44 = 78,097.66/x
  3. Step 3: Cross multiply
    134,697.58x = 185,841.44 × 78,097.66
  4. Step 4: Simplify right side
    134,697.58x = 14,513,781,595.03
  5. Step 5: Solve for x
    x = 14,513,781,595.03/134,697.58
  6. Step 6: Final answer
    x = 107,750.87

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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.