Home / 105,085.60-157,628.40-49,789.60

Finding the Fourth Proportional to 105,085.60, 157,628.40 and 49,789.60

Calculator

Solution

The fourth proportional to 105,085.60, 157,628.40 and 49,789.60 is: 74,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,085.60 : 157,628.40 = 49,789.60 : x
  2. Step 2: Convert to fraction form
    105,085.60/157,628.40 = 49,789.60/x
  3. Step 3: Cross multiply
    105,085.60x = 157,628.40 × 49,789.60
  4. Step 4: Simplify right side
    105,085.60x = 7,848,254,984.64
  5. Step 5: Solve for x
    x = 7,848,254,984.64/105,085.60
  6. Step 6: Final answer
    x = 74,684.40

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.