Home / 102,669.80-154,004.70-96,967.40

Finding the Fourth Proportional to 102,669.80, 154,004.70 and 96,967.40

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Solution

The fourth proportional to 102,669.80, 154,004.70 and 96,967.40 is: 145,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,669.80 : 154,004.70 = 96,967.40 : x
  2. Step 2: Convert to fraction form
    102,669.80/154,004.70 = 96,967.40/x
  3. Step 3: Cross multiply
    102,669.80x = 154,004.70 × 96,967.40
  4. Step 4: Simplify right side
    102,669.80x = 14,933,435,346.78
  5. Step 5: Solve for x
    x = 14,933,435,346.78/102,669.80
  6. Step 6: Final answer
    x = 145,451.10

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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.