Home / 201,858.13-278,564.22-112,434.13

Finding the Fourth Proportional to 201,858.13, 278,564.22 and 112,434.13

Calculator

Solution

The fourth proportional to 201,858.13, 278,564.22 and 112,434.13 is: 155,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,858.13 : 278,564.22 = 112,434.13 : x
  2. Step 2: Convert to fraction form
    201,858.13/278,564.22 = 112,434.13/x
  3. Step 3: Cross multiply
    201,858.13x = 278,564.22 × 112,434.13
  4. Step 4: Simplify right side
    201,858.13x = 31,320,125,724.83
  5. Step 5: Solve for x
    x = 31,320,125,724.83/201,858.13
  6. Step 6: Final answer
    x = 155,159.10

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.