Home / 102,547.75-153,820.97-55,185.15

Finding the Fourth Proportional to 102,547.75, 153,820.97 and 55,185.15

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Solution

The fourth proportional to 102,547.75, 153,820.97 and 55,185.15 is: 82,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,547.75 : 153,820.97 = 55,185.15 : x
  2. Step 2: Convert to fraction form
    102,547.75/153,820.97 = 55,185.15/x
  3. Step 3: Cross multiply
    102,547.75x = 153,820.97 × 55,185.15
  4. Step 4: Simplify right side
    102,547.75x = 8,488,633,255.62
  5. Step 5: Solve for x
    x = 8,488,633,255.62/102,547.75
  6. Step 6: Final answer
    x = 82,777.37

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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.