Home / 124,636.78-186,955.44-54,521.56

Finding the Fourth Proportional to 124,636.78, 186,955.44 and 54,521.56

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Solution

The fourth proportional to 124,636.78, 186,955.44 and 54,521.56 is: 81,782.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,636.78 : 186,955.44 = 54,521.56 : x
  2. Step 2: Convert to fraction form
    124,636.78/186,955.44 = 54,521.56/x
  3. Step 3: Cross multiply
    124,636.78x = 186,955.44 × 54,521.56
  4. Step 4: Simplify right side
    124,636.78x = 10,193,102,239.29
  5. Step 5: Solve for x
    x = 10,193,102,239.29/124,636.78
  6. Step 6: Final answer
    x = 81,782.46

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1.5x scale

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.