Home / 132,438.92-182,761.65-72,009.68

Finding the Fourth Proportional to 132,438.92, 182,761.65 and 72,009.68

Calculator

Solution

The fourth proportional to 132,438.92, 182,761.65 and 72,009.68 is: 99,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,438.92 : 182,761.65 = 72,009.68 : x
  2. Step 2: Convert to fraction form
    132,438.92/182,761.65 = 72,009.68/x
  3. Step 3: Cross multiply
    132,438.92x = 182,761.65 × 72,009.68
  4. Step 4: Simplify right side
    132,438.92x = 13,160,607,018.96
  5. Step 5: Solve for x
    x = 13,160,607,018.96/132,438.92
  6. Step 6: Final answer
    x = 99,371.15

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.