Home / 134,539.52-185,665.49-77,181.35

Finding the Fourth Proportional to 134,539.52, 185,665.49 and 77,181.35

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Solution

The fourth proportional to 134,539.52, 185,665.49 and 77,181.35 is: 106,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,539.52 : 185,665.49 = 77,181.35 : x
  2. Step 2: Convert to fraction form
    134,539.52/185,665.49 = 77,181.35/x
  3. Step 3: Cross multiply
    134,539.52x = 185,665.49 × 77,181.35
  4. Step 4: Simplify right side
    134,539.52x = 14,329,912,431.24
  5. Step 5: Solve for x
    x = 14,329,912,431.24/134,539.52
  6. Step 6: Final answer
    x = 106,510.80

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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.