Home / 459,109.80-688,664.70-159,490.80

Finding the Fourth Proportional to 459,109.80, 688,664.70 and 159,490.80

Calculator

Solution

The fourth proportional to 459,109.80, 688,664.70 and 159,490.80 is: 239,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,109.80 : 688,664.70 = 159,490.80 : x
  2. Step 2: Convert to fraction form
    459,109.80/688,664.70 = 159,490.80/x
  3. Step 3: Cross multiply
    459,109.80x = 688,664.70 × 159,490.80
  4. Step 4: Simplify right side
    459,109.80x = 109,835,683,934.76
  5. Step 5: Solve for x
    x = 109,835,683,934.76/459,109.80
  6. Step 6: Final answer
    x = 239,236.20

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.