Home / 135,976.35-187,647.59-75,547.06

Finding the Fourth Proportional to 135,976.35, 187,647.59 and 75,547.06

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Solution

The fourth proportional to 135,976.35, 187,647.59 and 75,547.06 is: 104,255.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,976.35 : 187,647.59 = 75,547.06 : x
  2. Step 2: Convert to fraction form
    135,976.35/187,647.59 = 75,547.06/x
  3. Step 3: Cross multiply
    135,976.35x = 187,647.59 × 75,547.06
  4. Step 4: Simplify right side
    135,976.35x = 14,176,224,090.90
  5. Step 5: Solve for x
    x = 14,176,224,090.90/135,976.35
  6. Step 6: Final answer
    x = 104,255.07

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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.