Home / 131,065.25-196,547.92-46,809.68

Finding the Fourth Proportional to 131,065.25, 196,547.92 and 46,809.68

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Solution

The fourth proportional to 131,065.25, 196,547.92 and 46,809.68 is: 70,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,065.25 : 196,547.92 = 46,809.68 : x
  2. Step 2: Convert to fraction form
    131,065.25/196,547.92 = 46,809.68/x
  3. Step 3: Cross multiply
    131,065.25x = 196,547.92 × 46,809.68
  4. Step 4: Simplify right side
    131,065.25x = 9,200,345,005.82
  5. Step 5: Solve for x
    x = 9,200,345,005.82/131,065.25
  6. Step 6: Final answer
    x = 70,196.68

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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.