Home / 106,027.98-146,319.60-57,630.36

Finding the Fourth Proportional to 106,027.98, 146,319.60 and 57,630.36

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Solution

The fourth proportional to 106,027.98, 146,319.60 and 57,630.36 is: 79,530.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,027.98 : 146,319.60 = 57,630.36 : x
  2. Step 2: Convert to fraction form
    106,027.98/146,319.60 = 57,630.36/x
  3. Step 3: Cross multiply
    106,027.98x = 146,319.60 × 57,630.36
  4. Step 4: Simplify right side
    106,027.98x = 8,432,451,223.06
  5. Step 5: Solve for x
    x = 8,432,451,223.06/106,027.98
  6. Step 6: Final answer
    x = 79,530.43

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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.