Home / 134,816.84-186,050.82-74,388.20

Finding the Fourth Proportional to 134,816.84, 186,050.82 and 74,388.20

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Solution

The fourth proportional to 134,816.84, 186,050.82 and 74,388.20 is: 102,657.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,816.84 : 186,050.82 = 74,388.20 : x
  2. Step 2: Convert to fraction form
    134,816.84/186,050.82 = 74,388.20/x
  3. Step 3: Cross multiply
    134,816.84x = 186,050.82 × 74,388.20
  4. Step 4: Simplify right side
    134,816.84x = 13,839,985,608.32
  5. Step 5: Solve for x
    x = 13,839,985,608.32/134,816.84
  6. Step 6: Final answer
    x = 102,657.69

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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.