Home / 104,041.40-155,843.40-86,545.40

Finding the Fourth Proportional to 104,041.40, 155,843.40 and 86,545.40

Calculator

Solution

The fourth proportional to 104,041.40, 155,843.40 and 86,545.40 is: 129,636.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,041.40 : 155,843.40 = 86,545.40 : x
  2. Step 2: Convert to fraction form
    104,041.40/155,843.40 = 86,545.40/x
  3. Step 3: Cross multiply
    104,041.40x = 155,843.40 × 86,545.40
  4. Step 4: Simplify right side
    104,041.40x = 13,487,529,390.36
  5. Step 5: Solve for x
    x = 13,487,529,390.36/104,041.40
  6. Step 6: Final answer
    x = 129,636.18

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.