Home / 102,667.80-154,001.70-96,965.40

Finding the Fourth Proportional to 102,667.80, 154,001.70 and 96,965.40

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Solution

The fourth proportional to 102,667.80, 154,001.70 and 96,965.40 is: 145,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,667.80 : 154,001.70 = 96,965.40 : x
  2. Step 2: Convert to fraction form
    102,667.80/154,001.70 = 96,965.40/x
  3. Step 3: Cross multiply
    102,667.80x = 154,001.70 × 96,965.40
  4. Step 4: Simplify right side
    102,667.80x = 14,932,836,441.18
  5. Step 5: Solve for x
    x = 14,932,836,441.18/102,667.80
  6. Step 6: Final answer
    x = 145,448.10

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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.