Home / 103,679.20-143,077.14-58,357.51

Finding the Fourth Proportional to 103,679.20, 143,077.14 and 58,357.51

Calculator

Solution

The fourth proportional to 103,679.20, 143,077.14 and 58,357.51 is: 80,533.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.20 : 143,077.14 = 58,357.51 : x
  2. Step 2: Convert to fraction form
    103,679.20/143,077.14 = 58,357.51/x
  3. Step 3: Cross multiply
    103,679.20x = 143,077.14 × 58,357.51
  4. Step 4: Simplify right side
    103,679.20x = 8,349,625,628.32
  5. Step 5: Solve for x
    x = 8,349,625,628.32/103,679.20
  6. Step 6: Final answer
    x = 80,533.28

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.