Home / 118,913.10-164,211.15-76,545.18

Finding the Fourth Proportional to 118,913.10, 164,211.15 and 76,545.18

Calculator

Solution

The fourth proportional to 118,913.10, 164,211.15 and 76,545.18 is: 105,703.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,913.10 : 164,211.15 = 76,545.18 : x
  2. Step 2: Convert to fraction form
    118,913.10/164,211.15 = 76,545.18/x
  3. Step 3: Cross multiply
    118,913.10x = 164,211.15 × 76,545.18
  4. Step 4: Simplify right side
    118,913.10x = 12,569,572,034.76
  5. Step 5: Solve for x
    x = 12,569,572,034.76/118,913.10
  6. Step 6: Final answer
    x = 105,703.85

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.