Home / 134,889.93-186,147.05-74,460.56

Finding the Fourth Proportional to 134,889.93, 186,147.05 and 74,460.56

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Solution

The fourth proportional to 134,889.93, 186,147.05 and 74,460.56 is: 102,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,889.93 : 186,147.05 = 74,460.56 : x
  2. Step 2: Convert to fraction form
    134,889.93/186,147.05 = 74,460.56/x
  3. Step 3: Cross multiply
    134,889.93x = 186,147.05 × 74,460.56
  4. Step 4: Simplify right side
    134,889.93x = 13,860,612,282.31
  5. Step 5: Solve for x
    x = 13,860,612,282.31/134,889.93
  6. Step 6: Final answer
    x = 102,754.98

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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.