Home / 133,076.04-183,645-76,487.28

Finding the Fourth Proportional to 133,076.04, 183,645 and 76,487.28

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Solution

The fourth proportional to 133,076.04, 183,645 and 76,487.28 is: 105,552.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.04 : 183,645 = 76,487.28 : x
  2. Step 2: Convert to fraction form
    133,076.04/183,645 = 76,487.28/x
  3. Step 3: Cross multiply
    133,076.04x = 183,645 × 76,487.28
  4. Step 4: Simplify right side
    133,076.04x = 14,046,506,535.60
  5. Step 5: Solve for x
    x = 14,046,506,535.60/133,076.04
  6. Step 6: Final answer
    x = 105,552.48

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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.