Home / 148,263.09-204,603.05-80,280.06

Finding the Fourth Proportional to 148,263.09, 204,603.05 and 80,280.06

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Solution

The fourth proportional to 148,263.09, 204,603.05 and 80,280.06 is: 110,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,263.09 : 204,603.05 = 80,280.06 : x
  2. Step 2: Convert to fraction form
    148,263.09/204,603.05 = 80,280.06/x
  3. Step 3: Cross multiply
    148,263.09x = 204,603.05 × 80,280.06
  4. Step 4: Simplify right side
    148,263.09x = 16,425,544,728.78
  5. Step 5: Solve for x
    x = 16,425,544,728.78/148,263.09
  6. Step 6: Final answer
    x = 110,786.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.