Home / 148,698.18-205,196.49-80,713.62

Finding the Fourth Proportional to 148,698.18, 205,196.49 and 80,713.62

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Solution

The fourth proportional to 148,698.18, 205,196.49 and 80,713.62 is: 111,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,698.18 : 205,196.49 = 80,713.62 : x
  2. Step 2: Convert to fraction form
    148,698.18/205,196.49 = 80,713.62/x
  3. Step 3: Cross multiply
    148,698.18x = 205,196.49 × 80,713.62
  4. Step 4: Simplify right side
    148,698.18x = 16,562,151,519.19
  5. Step 5: Solve for x
    x = 16,562,151,519.19/148,698.18
  6. Step 6: Final answer
    x = 111,381.00

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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.