Home / 127,245.72-190,808.62-47,228.24

Finding the Fourth Proportional to 127,245.72, 190,808.62 and 47,228.24

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Solution

The fourth proportional to 127,245.72, 190,808.62 and 47,228.24 is: 70,820.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,245.72 : 190,808.62 = 47,228.24 : x
  2. Step 2: Convert to fraction form
    127,245.72/190,808.62 = 47,228.24/x
  3. Step 3: Cross multiply
    127,245.72x = 190,808.62 × 47,228.24
  4. Step 4: Simplify right side
    127,245.72x = 9,011,555,299.43
  5. Step 5: Solve for x
    x = 9,011,555,299.43/127,245.72
  6. Step 6: Final answer
    x = 70,820.11

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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.