Home / 117,390.40-175,774.56-70,578.88

Finding the Fourth Proportional to 117,390.40, 175,774.56 and 70,578.88

Calculator

Solution

The fourth proportional to 117,390.40, 175,774.56 and 70,578.88 is: 105,681.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,390.40 : 175,774.56 = 70,578.88 : x
  2. Step 2: Convert to fraction form
    117,390.40/175,774.56 = 70,578.88/x
  3. Step 3: Cross multiply
    117,390.40x = 175,774.56 × 70,578.88
  4. Step 4: Simplify right side
    117,390.40x = 12,405,971,577.29
  5. Step 5: Solve for x
    x = 12,405,971,577.29/117,390.40
  6. Step 6: Final answer
    x = 105,681.31

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.