Home / 157,112.34-235,705.41-51,931.31

Finding the Fourth Proportional to 157,112.34, 235,705.41 and 51,931.31

Calculator

Solution

The fourth proportional to 157,112.34, 235,705.41 and 51,931.31 is: 77,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,112.34 : 235,705.41 = 51,931.31 : x
  2. Step 2: Convert to fraction form
    157,112.34/235,705.41 = 51,931.31/x
  3. Step 3: Cross multiply
    157,112.34x = 235,705.41 × 51,931.31
  4. Step 4: Simplify right side
    157,112.34x = 12,240,489,536.86
  5. Step 5: Solve for x
    x = 12,240,489,536.86/157,112.34
  6. Step 6: Final answer
    x = 77,909.15

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.