Home / 159,312.47-219,849.54-87,690.95

Finding the Fourth Proportional to 159,312.47, 219,849.54 and 87,690.95

Calculator

Solution

The fourth proportional to 159,312.47, 219,849.54 and 87,690.95 is: 121,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,312.47 : 219,849.54 = 87,690.95 : x
  2. Step 2: Convert to fraction form
    159,312.47/219,849.54 = 87,690.95/x
  3. Step 3: Cross multiply
    159,312.47x = 219,849.54 × 87,690.95
  4. Step 4: Simplify right side
    159,312.47x = 19,278,816,145.93
  5. Step 5: Solve for x
    x = 19,278,816,145.93/159,312.47
  6. Step 6: Final answer
    x = 121,012.60

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.