Home / 106,921.50-147,381.69-84,224.58

Finding the Fourth Proportional to 106,921.50, 147,381.69 and 84,224.58

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Solution

The fourth proportional to 106,921.50, 147,381.69 and 84,224.58 is: 116,096.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,921.50 : 147,381.69 = 84,224.58 : x
  2. Step 2: Convert to fraction form
    106,921.50/147,381.69 = 84,224.58/x
  3. Step 3: Cross multiply
    106,921.50x = 147,381.69 × 84,224.58
  4. Step 4: Simplify right side
    106,921.50x = 12,413,160,939.94
  5. Step 5: Solve for x
    x = 12,413,160,939.94/106,921.50
  6. Step 6: Final answer
    x = 116,096.02

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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.