Home / 280,022.10-420,033.15-93,033.60

Finding the Fourth Proportional to 280,022.10, 420,033.15 and 93,033.60

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Solution

The fourth proportional to 280,022.10, 420,033.15 and 93,033.60 is: 139,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,022.10 : 420,033.15 = 93,033.60 : x
  2. Step 2: Convert to fraction form
    280,022.10/420,033.15 = 93,033.60/x
  3. Step 3: Cross multiply
    280,022.10x = 420,033.15 × 93,033.60
  4. Step 4: Simplify right side
    280,022.10x = 39,077,196,063.84
  5. Step 5: Solve for x
    x = 39,077,196,063.84/280,022.10
  6. Step 6: Final answer
    x = 139,550.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.