Home / 242,721.80-363,936.90-124,623.80

Finding the Fourth Proportional to 242,721.80, 363,936.90 and 124,623.80

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Solution

The fourth proportional to 242,721.80, 363,936.90 and 124,623.80 is: 186,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,721.80 : 363,936.90 = 124,623.80 : x
  2. Step 2: Convert to fraction form
    242,721.80/363,936.90 = 124,623.80/x
  3. Step 3: Cross multiply
    242,721.80x = 363,936.90 × 124,623.80
  4. Step 4: Simplify right side
    242,721.80x = 45,355,199,438.22
  5. Step 5: Solve for x
    x = 45,355,199,438.22/242,721.80
  6. Step 6: Final answer
    x = 186,860.84

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1.5x scale

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.