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Finding the Fourth Proportional to 114,583.60, 171,875.40 and 113,028.40

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Solution

The fourth proportional to 114,583.60, 171,875.40 and 113,028.40 is: 169,542.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,583.60 : 171,875.40 = 113,028.40 : x
  2. Step 2: Convert to fraction form
    114,583.60/171,875.40 = 113,028.40/x
  3. Step 3: Cross multiply
    114,583.60x = 171,875.40 × 113,028.40
  4. Step 4: Simplify right side
    114,583.60x = 19,426,801,461.36
  5. Step 5: Solve for x
    x = 19,426,801,461.36/114,583.60
  6. Step 6: Final answer
    x = 169,542.60

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Why These Related Problems?

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