Home / 268,208.48-370,126.28-145,699.90

Finding the Fourth Proportional to 268,208.48, 370,126.28 and 145,699.90

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Solution

The fourth proportional to 268,208.48, 370,126.28 and 145,699.90 is: 201,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,208.48 : 370,126.28 = 145,699.90 : x
  2. Step 2: Convert to fraction form
    268,208.48/370,126.28 = 145,699.90/x
  3. Step 3: Cross multiply
    268,208.48x = 370,126.28 × 145,699.90
  4. Step 4: Simplify right side
    268,208.48x = 53,927,361,983.37
  5. Step 5: Solve for x
    x = 53,927,361,983.37/268,208.48
  6. Step 6: Final answer
    x = 201,065.09

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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.