Home / 106,853.46-147,583.25-85,417.44

Finding the Fourth Proportional to 106,853.46, 147,583.25 and 85,417.44

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Solution

The fourth proportional to 106,853.46, 147,583.25 and 85,417.44 is: 117,976.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,853.46 : 147,583.25 = 85,417.44 : x
  2. Step 2: Convert to fraction form
    106,853.46/147,583.25 = 85,417.44/x
  3. Step 3: Cross multiply
    106,853.46x = 147,583.25 × 85,417.44
  4. Step 4: Simplify right side
    106,853.46x = 12,606,183,156.75
  5. Step 5: Solve for x
    x = 12,606,183,156.75/106,853.46
  6. Step 6: Final answer
    x = 117,976.37

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1.5x scale

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.