Home / 208,988.75-313,494.98-66,846.51

Finding the Fourth Proportional to 208,988.75, 313,494.98 and 66,846.51

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Solution

The fourth proportional to 208,988.75, 313,494.98 and 66,846.51 is: 100,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,988.75 : 313,494.98 = 66,846.51 : x
  2. Step 2: Convert to fraction form
    208,988.75/313,494.98 = 66,846.51/x
  3. Step 3: Cross multiply
    208,988.75x = 313,494.98 × 66,846.51
  4. Step 4: Simplify right side
    208,988.75x = 20,956,044,981.29
  5. Step 5: Solve for x
    x = 20,956,044,981.29/208,988.75
  6. Step 6: Final answer
    x = 100,273.55

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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.