Home / 115,274.37-172,551.74-84,913.73

Finding the Fourth Proportional to 115,274.37, 172,551.74 and 84,913.73

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Solution

The fourth proportional to 115,274.37, 172,551.74 and 84,913.73 is: 127,105.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,274.37 : 172,551.74 = 84,913.73 : x
  2. Step 2: Convert to fraction form
    115,274.37/172,551.74 = 84,913.73/x
  3. Step 3: Cross multiply
    115,274.37x = 172,551.74 × 84,913.73
  4. Step 4: Simplify right side
    115,274.37x = 14,652,011,868.20
  5. Step 5: Solve for x
    x = 14,652,011,868.20/115,274.37
  6. Step 6: Final answer
    x = 127,105.55

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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.