Home / 98,153.60-135,455.36-55,710.72

Finding the Fourth Proportional to 98,153.60, 135,455.36 and 55,710.72

Calculator

Solution

The fourth proportional to 98,153.60, 135,455.36 and 55,710.72 is: 76,882.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,153.60 : 135,455.36 = 55,710.72 : x
  2. Step 2: Convert to fraction form
    98,153.60/135,455.36 = 55,710.72/x
  3. Step 3: Cross multiply
    98,153.60x = 135,455.36 × 55,710.72
  4. Step 4: Simplify right side
    98,153.60x = 7,546,315,633.46
  5. Step 5: Solve for x
    x = 7,546,315,633.46/98,153.60
  6. Step 6: Final answer
    x = 76,882.72

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.