Home / 155,808.07-214,967.33-95,315.65

Finding the Fourth Proportional to 155,808.07, 214,967.33 and 95,315.65

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Solution

The fourth proportional to 155,808.07, 214,967.33 and 95,315.65 is: 131,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,808.07 : 214,967.33 = 95,315.65 : x
  2. Step 2: Convert to fraction form
    155,808.07/214,967.33 = 95,315.65/x
  3. Step 3: Cross multiply
    155,808.07x = 214,967.33 × 95,315.65
  4. Step 4: Simplify right side
    155,808.07x = 20,489,751,876.49
  5. Step 5: Solve for x
    x = 20,489,751,876.49/155,808.07
  6. Step 6: Final answer
    x = 131,506.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.