Home / 210,080.71-314,973.43-76,943.67

Finding the Fourth Proportional to 210,080.71, 314,973.43 and 76,943.67

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Solution

The fourth proportional to 210,080.71, 314,973.43 and 76,943.67 is: 115,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,080.71 : 314,973.43 = 76,943.67 : x
  2. Step 2: Convert to fraction form
    210,080.71/314,973.43 = 76,943.67/x
  3. Step 3: Cross multiply
    210,080.71x = 314,973.43 × 76,943.67
  4. Step 4: Simplify right side
    210,080.71x = 24,235,211,656.69
  5. Step 5: Solve for x
    x = 24,235,211,656.69/210,080.71
  6. Step 6: Final answer
    x = 115,361.43

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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.