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Finding the Fourth Proportional to 104,796.81, 144,615.06 and 57,050.10

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Solution

The fourth proportional to 104,796.81, 144,615.06 and 57,050.10 is: 78,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,796.81 : 144,615.06 = 57,050.10 : x
  2. Step 2: Convert to fraction form
    104,796.81/144,615.06 = 57,050.10/x
  3. Step 3: Cross multiply
    104,796.81x = 144,615.06 × 57,050.10
  4. Step 4: Simplify right side
    104,796.81x = 8,250,303,634.51
  5. Step 5: Solve for x
    x = 8,250,303,634.51/104,796.81
  6. Step 6: Final answer
    x = 78,726.67

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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.