Home / 135,276.16-186,710.52-78,694.96

Finding the Fourth Proportional to 135,276.16, 186,710.52 and 78,694.96

Calculator

Solution

The fourth proportional to 135,276.16, 186,710.52 and 78,694.96 is: 108,616.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,276.16 : 186,710.52 = 78,694.96 : x
  2. Step 2: Convert to fraction form
    135,276.16/186,710.52 = 78,694.96/x
  3. Step 3: Cross multiply
    135,276.16x = 186,710.52 × 78,694.96
  4. Step 4: Simplify right side
    135,276.16x = 14,693,176,902.98
  5. Step 5: Solve for x
    x = 14,693,176,902.98/135,276.16
  6. Step 6: Final answer
    x = 108,616.16

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.