Home / 116,278.64-160,513.28-78,603.92

Finding the Fourth Proportional to 116,278.64, 160,513.28 and 78,603.92

Calculator

Solution

The fourth proportional to 116,278.64, 160,513.28 and 78,603.92 is: 108,506.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,278.64 : 160,513.28 = 78,603.92 : x
  2. Step 2: Convert to fraction form
    116,278.64/160,513.28 = 78,603.92/x
  3. Step 3: Cross multiply
    116,278.64x = 160,513.28 × 78,603.92
  4. Step 4: Simplify right side
    116,278.64x = 12,616,973,020.06
  5. Step 5: Solve for x
    x = 12,616,973,020.06/116,278.64
  6. Step 6: Final answer
    x = 108,506.37

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.