Home / 188,507.90-260,141.76-103,630.43

Finding the Fourth Proportional to 188,507.90, 260,141.76 and 103,630.43

Calculator

Solution

The fourth proportional to 188,507.90, 260,141.76 and 103,630.43 is: 143,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,507.90 : 260,141.76 = 103,630.43 : x
  2. Step 2: Convert to fraction form
    188,507.90/260,141.76 = 103,630.43/x
  3. Step 3: Cross multiply
    188,507.90x = 260,141.76 × 103,630.43
  4. Step 4: Simplify right side
    188,507.90x = 26,958,602,449.76
  5. Step 5: Solve for x
    x = 26,958,602,449.76/188,507.90
  6. Step 6: Final answer
    x = 143,010.47

Related Problems

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.