Home / 187,038.36-258,113.04-102,155.76

Finding the Fourth Proportional to 187,038.36, 258,113.04 and 102,155.76

Calculator

Solution

The fourth proportional to 187,038.36, 258,113.04 and 102,155.76 is: 140,975.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,038.36 : 258,113.04 = 102,155.76 : x
  2. Step 2: Convert to fraction form
    187,038.36/258,113.04 = 102,155.76/x
  3. Step 3: Cross multiply
    187,038.36x = 258,113.04 × 102,155.76
  4. Step 4: Simplify right side
    187,038.36x = 26,367,733,767.11
  5. Step 5: Solve for x
    x = 26,367,733,767.11/187,038.36
  6. Step 6: Final answer
    x = 140,975.01

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.