Home / 133,247.96-183,962.28-83,015

Finding the Fourth Proportional to 133,247.96, 183,962.28 and 83,015

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Solution

The fourth proportional to 133,247.96, 183,962.28 and 83,015 is: 114,610.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,247.96 : 183,962.28 = 83,015 : x
  2. Step 2: Convert to fraction form
    133,247.96/183,962.28 = 83,015/x
  3. Step 3: Cross multiply
    133,247.96x = 183,962.28 × 83,015
  4. Step 4: Simplify right side
    133,247.96x = 15,271,628,674.20
  5. Step 5: Solve for x
    x = 15,271,628,674.20/133,247.96
  6. Step 6: Final answer
    x = 114,610.60

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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.