Home / 147,834.40-204,007.12-80,766.40

Finding the Fourth Proportional to 147,834.40, 204,007.12 and 80,766.40

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Solution

The fourth proportional to 147,834.40, 204,007.12 and 80,766.40 is: 111,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,834.40 : 204,007.12 = 80,766.40 : x
  2. Step 2: Convert to fraction form
    147,834.40/204,007.12 = 80,766.40/x
  3. Step 3: Cross multiply
    147,834.40x = 204,007.12 × 80,766.40
  4. Step 4: Simplify right side
    147,834.40x = 16,476,920,656.77
  5. Step 5: Solve for x
    x = 16,476,920,656.77/147,834.40
  6. Step 6: Final answer
    x = 111,455.25

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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.