Home / 116,143.12-160,272.80-68,398.48

Finding the Fourth Proportional to 116,143.12, 160,272.80 and 68,398.48

Calculator

Solution

The fourth proportional to 116,143.12, 160,272.80 and 68,398.48 is: 94,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,143.12 : 160,272.80 = 68,398.48 : x
  2. Step 2: Convert to fraction form
    116,143.12/160,272.80 = 68,398.48/x
  3. Step 3: Cross multiply
    116,143.12x = 160,272.80 × 68,398.48
  4. Step 4: Simplify right side
    116,143.12x = 10,962,415,905.34
  5. Step 5: Solve for x
    x = 10,962,415,905.34/116,143.12
  6. Step 6: Final answer
    x = 94,387.13

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.