Home / 106,426.40-159,639.60-97,824.80

Finding the Fourth Proportional to 106,426.40, 159,639.60 and 97,824.80

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Solution

The fourth proportional to 106,426.40, 159,639.60 and 97,824.80 is: 146,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,426.40 : 159,639.60 = 97,824.80 : x
  2. Step 2: Convert to fraction form
    106,426.40/159,639.60 = 97,824.80/x
  3. Step 3: Cross multiply
    106,426.40x = 159,639.60 × 97,824.80
  4. Step 4: Simplify right side
    106,426.40x = 15,616,711,942.08
  5. Step 5: Solve for x
    x = 15,616,711,942.08/106,426.40
  6. Step 6: Final answer
    x = 146,737.20

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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.