Home / 125,167.92-172,752.12-71,455.20

Finding the Fourth Proportional to 125,167.92, 172,752.12 and 71,455.20

Calculator

Solution

The fourth proportional to 125,167.92, 172,752.12 and 71,455.20 is: 98,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,167.92 : 172,752.12 = 71,455.20 : x
  2. Step 2: Convert to fraction form
    125,167.92/172,752.12 = 71,455.20/x
  3. Step 3: Cross multiply
    125,167.92x = 172,752.12 × 71,455.20
  4. Step 4: Simplify right side
    125,167.92x = 12,344,037,285.02
  5. Step 5: Solve for x
    x = 12,344,037,285.02/125,167.92
  6. Step 6: Final answer
    x = 98,619.82

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.