Home / 134,065.67-185,003.41-76,706.13

Finding the Fourth Proportional to 134,065.67, 185,003.41 and 76,706.13

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Solution

The fourth proportional to 134,065.67, 185,003.41 and 76,706.13 is: 105,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,065.67 : 185,003.41 = 76,706.13 : x
  2. Step 2: Convert to fraction form
    134,065.67/185,003.41 = 76,706.13/x
  3. Step 3: Cross multiply
    134,065.67x = 185,003.41 × 76,706.13
  4. Step 4: Simplify right side
    134,065.67x = 14,190,895,617.90
  5. Step 5: Solve for x
    x = 14,190,895,617.90/134,065.67
  6. Step 6: Final answer
    x = 105,850.33

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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.