Home / 110,303.78-165,144.93-70,224.27

Finding the Fourth Proportional to 110,303.78, 165,144.93 and 70,224.27

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Solution

The fourth proportional to 110,303.78, 165,144.93 and 70,224.27 is: 105,138.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,303.78 : 165,144.93 = 70,224.27 : x
  2. Step 2: Convert to fraction form
    110,303.78/165,144.93 = 70,224.27/x
  3. Step 3: Cross multiply
    110,303.78x = 165,144.93 × 70,224.27
  4. Step 4: Simplify right side
    110,303.78x = 11,597,181,270.82
  5. Step 5: Solve for x
    x = 11,597,181,270.82/110,303.78
  6. Step 6: Final answer
    x = 105,138.57

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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.