Home / 309,412.08-464,150.52-131,937.84

Finding the Fourth Proportional to 309,412.08, 464,150.52 and 131,937.84

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Solution

The fourth proportional to 309,412.08, 464,150.52 and 131,937.84 is: 197,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,412.08 : 464,150.52 = 131,937.84 : x
  2. Step 2: Convert to fraction form
    309,412.08/464,150.52 = 131,937.84/x
  3. Step 3: Cross multiply
    309,412.08x = 464,150.52 × 131,937.84
  4. Step 4: Simplify right side
    309,412.08x = 61,239,017,043.68
  5. Step 5: Solve for x
    x = 61,239,017,043.68/309,412.08
  6. Step 6: Final answer
    x = 197,920.58

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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.