Home / 130,665.12-195,979.24-41,907.12

Finding the Fourth Proportional to 130,665.12, 195,979.24 and 41,907.12

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Solution

The fourth proportional to 130,665.12, 195,979.24 and 41,907.12 is: 62,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,665.12 : 195,979.24 = 41,907.12 : x
  2. Step 2: Convert to fraction form
    130,665.12/195,979.24 = 41,907.12/x
  3. Step 3: Cross multiply
    130,665.12x = 195,979.24 × 41,907.12
  4. Step 4: Simplify right side
    130,665.12x = 8,212,925,528.19
  5. Step 5: Solve for x
    x = 8,212,925,528.19/130,665.12
  6. Step 6: Final answer
    x = 62,854.77

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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.