Home / 113,966.13-157,265.39-62,978.38

Finding the Fourth Proportional to 113,966.13, 157,265.39 and 62,978.38

Calculator

Solution

The fourth proportional to 113,966.13, 157,265.39 and 62,978.38 is: 86,905.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,966.13 : 157,265.39 = 62,978.38 : x
  2. Step 2: Convert to fraction form
    113,966.13/157,265.39 = 62,978.38/x
  3. Step 3: Cross multiply
    113,966.13x = 157,265.39 × 62,978.38
  4. Step 4: Simplify right side
    113,966.13x = 9,904,318,705.94
  5. Step 5: Solve for x
    x = 9,904,318,705.94/113,966.13
  6. Step 6: Final answer
    x = 86,905.81

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.