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Finding the Fourth Proportional to 114,331.40, 171,011.10 and 102,570.20

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Solution

The fourth proportional to 114,331.40, 171,011.10 and 102,570.20 is: 153,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,331.40 : 171,011.10 = 102,570.20 : x
  2. Step 2: Convert to fraction form
    114,331.40/171,011.10 = 102,570.20/x
  3. Step 3: Cross multiply
    114,331.40x = 171,011.10 × 102,570.20
  4. Step 4: Simplify right side
    114,331.40x = 17,540,642,729.22
  5. Step 5: Solve for x
    x = 17,540,642,729.22/114,331.40
  6. Step 6: Final answer
    x = 153,419.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.