Home / 127,351.50-191,039.40-52,476.72

Finding the Fourth Proportional to 127,351.50, 191,039.40 and 52,476.72

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Solution

The fourth proportional to 127,351.50, 191,039.40 and 52,476.72 is: 78,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,351.50 : 191,039.40 = 52,476.72 : x
  2. Step 2: Convert to fraction form
    127,351.50/191,039.40 = 52,476.72/x
  3. Step 3: Cross multiply
    127,351.50x = 191,039.40 × 52,476.72
  4. Step 4: Simplify right side
    127,351.50x = 10,025,121,102.77
  5. Step 5: Solve for x
    x = 10,025,121,102.77/127,351.50
  6. Step 6: Final answer
    x = 78,720.09

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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.