Home / 212,022.40-318,033.60-93,632.80

Finding the Fourth Proportional to 212,022.40, 318,033.60 and 93,632.80

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Solution

The fourth proportional to 212,022.40, 318,033.60 and 93,632.80 is: 140,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,022.40 : 318,033.60 = 93,632.80 : x
  2. Step 2: Convert to fraction form
    212,022.40/318,033.60 = 93,632.80/x
  3. Step 3: Cross multiply
    212,022.40x = 318,033.60 × 93,632.80
  4. Step 4: Simplify right side
    212,022.40x = 29,778,376,462.08
  5. Step 5: Solve for x
    x = 29,778,376,462.08/212,022.40
  6. Step 6: Final answer
    x = 140,449.20

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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.