Home / 163,921.62-245,833.83-70,405.50

Finding the Fourth Proportional to 163,921.62, 245,833.83 and 70,405.50

Calculator

Solution

The fourth proportional to 163,921.62, 245,833.83 and 70,405.50 is: 105,587.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,921.62 : 245,833.83 = 70,405.50 : x
  2. Step 2: Convert to fraction form
    163,921.62/245,833.83 = 70,405.50/x
  3. Step 3: Cross multiply
    163,921.62x = 245,833.83 × 70,405.50
  4. Step 4: Simplify right side
    163,921.62x = 17,308,053,718.07
  5. Step 5: Solve for x
    x = 17,308,053,718.07/163,921.62
  6. Step 6: Final answer
    x = 105,587.38

Related Problems

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.