Home / 98,895.40-148,688.70-96,821.80

Finding the Fourth Proportional to 98,895.40, 148,688.70 and 96,821.80

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Solution

The fourth proportional to 98,895.40, 148,688.70 and 96,821.80 is: 145,571.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,895.40 : 148,688.70 = 96,821.80 : x
  2. Step 2: Convert to fraction form
    98,895.40/148,688.70 = 96,821.80/x
  3. Step 3: Cross multiply
    98,895.40x = 148,688.70 × 96,821.80
  4. Step 4: Simplify right side
    98,895.40x = 14,396,307,573.66
  5. Step 5: Solve for x
    x = 14,396,307,573.66/98,895.40
  6. Step 6: Final answer
    x = 145,571.05

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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.