Home / 148,450.81-204,864.74-80,470.04

Finding the Fourth Proportional to 148,450.81, 204,864.74 and 80,470.04

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Solution

The fourth proportional to 148,450.81, 204,864.74 and 80,470.04 is: 111,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,450.81 : 204,864.74 = 80,470.04 : x
  2. Step 2: Convert to fraction form
    148,450.81/204,864.74 = 80,470.04/x
  3. Step 3: Cross multiply
    148,450.81x = 204,864.74 × 80,470.04
  4. Step 4: Simplify right side
    148,450.81x = 16,485,473,465.72
  5. Step 5: Solve for x
    x = 16,485,473,465.72/148,450.81
  6. Step 6: Final answer
    x = 111,050.08

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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.