Home / 98,920.56-136,557.66-56,470.88

Finding the Fourth Proportional to 98,920.56, 136,557.66 and 56,470.88

Calculator

Solution

The fourth proportional to 98,920.56, 136,557.66 and 56,470.88 is: 77,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,920.56 : 136,557.66 = 56,470.88 : x
  2. Step 2: Convert to fraction form
    98,920.56/136,557.66 = 56,470.88/x
  3. Step 3: Cross multiply
    98,920.56x = 136,557.66 × 56,470.88
  4. Step 4: Simplify right side
    98,920.56x = 7,711,531,230.94
  5. Step 5: Solve for x
    x = 7,711,531,230.94/98,920.56
  6. Step 6: Final answer
    x = 77,956.81

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.