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Finding the Fourth Proportional to 171,166, 236,129.55 and 110,756.12

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Solution

The fourth proportional to 171,166, 236,129.55 and 110,756.12 is: 152,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,166 : 236,129.55 = 110,756.12 : x
  2. Step 2: Convert to fraction form
    171,166/236,129.55 = 110,756.12/x
  3. Step 3: Cross multiply
    171,166x = 236,129.55 × 110,756.12
  4. Step 4: Simplify right side
    171,166x = 26,152,792,775.35
  5. Step 5: Solve for x
    x = 26,152,792,775.35/171,166
  6. Step 6: Final answer
    x = 152,791.98

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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.