Home / 194,657.05-268,645.31-118,158.60

Finding the Fourth Proportional to 194,657.05, 268,645.31 and 118,158.60

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Solution

The fourth proportional to 194,657.05, 268,645.31 and 118,158.60 is: 163,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,657.05 : 268,645.31 = 118,158.60 : x
  2. Step 2: Convert to fraction form
    194,657.05/268,645.31 = 118,158.60/x
  3. Step 3: Cross multiply
    194,657.05x = 268,645.31 × 118,158.60
  4. Step 4: Simplify right side
    194,657.05x = 31,742,753,074.76
  5. Step 5: Solve for x
    x = 31,742,753,074.76/194,657.05
  6. Step 6: Final answer
    x = 163,070.14

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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.