Home / 154,547.82-213,341.58-100,878.84

Finding the Fourth Proportional to 154,547.82, 213,341.58 and 100,878.84

Calculator

Solution

The fourth proportional to 154,547.82, 213,341.58 and 100,878.84 is: 139,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,547.82 : 213,341.58 = 100,878.84 : x
  2. Step 2: Convert to fraction form
    154,547.82/213,341.58 = 100,878.84/x
  3. Step 3: Cross multiply
    154,547.82x = 213,341.58 × 100,878.84
  4. Step 4: Simplify right side
    154,547.82x = 21,521,651,114.17
  5. Step 5: Solve for x
    x = 21,521,651,114.17/154,547.82
  6. Step 6: Final answer
    x = 139,255.61

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.