Home / 210,080.70-314,973.43-76,943.66

Finding the Fourth Proportional to 210,080.70, 314,973.43 and 76,943.66

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Solution

The fourth proportional to 210,080.70, 314,973.43 and 76,943.66 is: 115,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,080.70 : 314,973.43 = 76,943.66 : x
  2. Step 2: Convert to fraction form
    210,080.70/314,973.43 = 76,943.66/x
  3. Step 3: Cross multiply
    210,080.70x = 314,973.43 × 76,943.66
  4. Step 4: Simplify right side
    210,080.70x = 24,235,208,506.95
  5. Step 5: Solve for x
    x = 24,235,208,506.95/210,080.70
  6. Step 6: Final answer
    x = 115,361.42

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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.