Home / 136,967.60-189,011.65-76,538.74

Finding the Fourth Proportional to 136,967.60, 189,011.65 and 76,538.74

Calculator

Solution

The fourth proportional to 136,967.60, 189,011.65 and 76,538.74 is: 105,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,967.60 : 189,011.65 = 76,538.74 : x
  2. Step 2: Convert to fraction form
    136,967.60/189,011.65 = 76,538.74/x
  3. Step 3: Cross multiply
    136,967.60x = 189,011.65 × 76,538.74
  4. Step 4: Simplify right side
    136,967.60x = 14,466,713,536.32
  5. Step 5: Solve for x
    x = 14,466,713,536.32/136,967.60
  6. Step 6: Final answer
    x = 105,621.43

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.