Home / 205,192.68-307,897.41-145,606.20

Finding the Fourth Proportional to 205,192.68, 307,897.41 and 145,606.20

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Solution

The fourth proportional to 205,192.68, 307,897.41 and 145,606.20 is: 218,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,192.68 : 307,897.41 = 145,606.20 : x
  2. Step 2: Convert to fraction form
    205,192.68/307,897.41 = 145,606.20/x
  3. Step 3: Cross multiply
    205,192.68x = 307,897.41 × 145,606.20
  4. Step 4: Simplify right side
    205,192.68x = 44,831,771,859.94
  5. Step 5: Solve for x
    x = 44,831,771,859.94/205,192.68
  6. Step 6: Final answer
    x = 218,486.21

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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.