Home / 134,814.45-202,385.70-68,220.30

Finding the Fourth Proportional to 134,814.45, 202,385.70 and 68,220.30

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Solution

The fourth proportional to 134,814.45, 202,385.70 and 68,220.30 is: 102,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,814.45 : 202,385.70 = 68,220.30 : x
  2. Step 2: Convert to fraction form
    134,814.45/202,385.70 = 68,220.30/x
  3. Step 3: Cross multiply
    134,814.45x = 202,385.70 × 68,220.30
  4. Step 4: Simplify right side
    134,814.45x = 13,806,813,169.71
  5. Step 5: Solve for x
    x = 13,806,813,169.71/134,814.45
  6. Step 6: Final answer
    x = 102,413.45

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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.