Home / 104,428.95-144,111.47-56,681.88

Finding the Fourth Proportional to 104,428.95, 144,111.47 and 56,681.88

Calculator

Solution

The fourth proportional to 104,428.95, 144,111.47 and 56,681.88 is: 78,220.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,428.95 : 144,111.47 = 56,681.88 : x
  2. Step 2: Convert to fraction form
    104,428.95/144,111.47 = 56,681.88/x
  3. Step 3: Cross multiply
    104,428.95x = 144,111.47 × 56,681.88
  4. Step 4: Simplify right side
    104,428.95x = 8,168,508,765.75
  5. Step 5: Solve for x
    x = 8,168,508,765.75/104,428.95
  6. Step 6: Final answer
    x = 78,220.73

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.