Home / 158,988.96-219,405.24-87,376.32

Finding the Fourth Proportional to 158,988.96, 219,405.24 and 87,376.32

Calculator

Solution

The fourth proportional to 158,988.96, 219,405.24 and 87,376.32 is: 120,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,988.96 : 219,405.24 = 87,376.32 : x
  2. Step 2: Convert to fraction form
    158,988.96/219,405.24 = 87,376.32/x
  3. Step 3: Cross multiply
    158,988.96x = 219,405.24 × 87,376.32
  4. Step 4: Simplify right side
    158,988.96x = 19,170,822,459.92
  5. Step 5: Solve for x
    x = 19,170,822,459.92/158,988.96
  6. Step 6: Final answer
    x = 120,579.58

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.