Home / 186,270.03-279,468.23-81,157.95

Finding the Fourth Proportional to 186,270.03, 279,468.23 and 81,157.95

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Solution

The fourth proportional to 186,270.03, 279,468.23 and 81,157.95 is: 121,764.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,270.03 : 279,468.23 = 81,157.95 : x
  2. Step 2: Convert to fraction form
    186,270.03/279,468.23 = 81,157.95/x
  3. Step 3: Cross multiply
    186,270.03x = 279,468.23 × 81,157.95
  4. Step 4: Simplify right side
    186,270.03x = 22,681,068,231.14
  5. Step 5: Solve for x
    x = 22,681,068,231.14/186,270.03
  6. Step 6: Final answer
    x = 121,764.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.