Home / 320,106.89-480,226.62-130,567.79

Finding the Fourth Proportional to 320,106.89, 480,226.62 and 130,567.79

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Solution

The fourth proportional to 320,106.89, 480,226.62 and 130,567.79 is: 195,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,106.89 : 480,226.62 = 130,567.79 : x
  2. Step 2: Convert to fraction form
    320,106.89/480,226.62 = 130,567.79/x
  3. Step 3: Cross multiply
    320,106.89x = 480,226.62 × 130,567.79
  4. Step 4: Simplify right side
    320,106.89x = 62,702,126,071.44
  5. Step 5: Solve for x
    x = 62,702,126,071.44/320,106.89
  6. Step 6: Final answer
    x = 195,878.72

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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.