Home / 134,984.87-186,280.66-74,554.14

Finding the Fourth Proportional to 134,984.87, 186,280.66 and 74,554.14

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Solution

The fourth proportional to 134,984.87, 186,280.66 and 74,554.14 is: 102,885.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,984.87 : 186,280.66 = 74,554.14 : x
  2. Step 2: Convert to fraction form
    134,984.87/186,280.66 = 74,554.14/x
  3. Step 3: Cross multiply
    134,984.87x = 186,280.66 × 74,554.14
  4. Step 4: Simplify right side
    134,984.87x = 13,887,994,404.93
  5. Step 5: Solve for x
    x = 13,887,994,404.93/134,984.87
  6. Step 6: Final answer
    x = 102,885.56

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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.