Home / 190,254.64-285,384.75-90,425.02

Finding the Fourth Proportional to 190,254.64, 285,384.75 and 90,425.02

Calculator

Solution

The fourth proportional to 190,254.64, 285,384.75 and 90,425.02 is: 135,638.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,254.64 : 285,384.75 = 90,425.02 : x
  2. Step 2: Convert to fraction form
    190,254.64/285,384.75 = 90,425.02/x
  3. Step 3: Cross multiply
    190,254.64x = 285,384.75 × 90,425.02
  4. Step 4: Simplify right side
    190,254.64x = 25,805,921,726.45
  5. Step 5: Solve for x
    x = 25,805,921,726.45/190,254.64
  6. Step 6: Final answer
    x = 135,638.86

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.