Home / 148,767.09-205,297.93-80,783.52

Finding the Fourth Proportional to 148,767.09, 205,297.93 and 80,783.52

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Solution

The fourth proportional to 148,767.09, 205,297.93 and 80,783.52 is: 111,480.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,767.09 : 205,297.93 = 80,783.52 : x
  2. Step 2: Convert to fraction form
    148,767.09/205,297.93 = 80,783.52/x
  3. Step 3: Cross multiply
    148,767.09x = 205,297.93 × 80,783.52
  4. Step 4: Simplify right side
    148,767.09x = 16,584,689,434.11
  5. Step 5: Solve for x
    x = 16,584,689,434.11/148,767.09
  6. Step 6: Final answer
    x = 111,480.90

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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.