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Finding the Fourth Proportional to 101,597.16, 140,190.80 and 58,578.26

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Solution

The fourth proportional to 101,597.16, 140,190.80 and 58,578.26 is: 80,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,597.16 : 140,190.80 = 58,578.26 : x
  2. Step 2: Convert to fraction form
    101,597.16/140,190.80 = 58,578.26/x
  3. Step 3: Cross multiply
    101,597.16x = 140,190.80 × 58,578.26
  4. Step 4: Simplify right side
    101,597.16x = 8,212,133,650.53
  5. Step 5: Solve for x
    x = 8,212,133,650.53/101,597.16
  6. Step 6: Final answer
    x = 80,830.35

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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.