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Finding the Fourth Proportional to 116,002.40, 174,003.60 and 99,089.60

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Solution

The fourth proportional to 116,002.40, 174,003.60 and 99,089.60 is: 148,634.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,002.40 : 174,003.60 = 99,089.60 : x
  2. Step 2: Convert to fraction form
    116,002.40/174,003.60 = 99,089.60/x
  3. Step 3: Cross multiply
    116,002.40x = 174,003.60 × 99,089.60
  4. Step 4: Simplify right side
    116,002.40x = 17,241,947,122.56
  5. Step 5: Solve for x
    x = 17,241,947,122.56/116,002.40
  6. Step 6: Final answer
    x = 148,634.40

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1.5x scale

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.