Home / 133,070.04-183,636.72-76,481.28

Finding the Fourth Proportional to 133,070.04, 183,636.72 and 76,481.28

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Solution

The fourth proportional to 133,070.04, 183,636.72 and 76,481.28 is: 105,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.04 : 183,636.72 = 76,481.28 : x
  2. Step 2: Convert to fraction form
    133,070.04/183,636.72 = 76,481.28/x
  3. Step 3: Cross multiply
    133,070.04x = 183,636.72 × 76,481.28
  4. Step 4: Simplify right side
    133,070.04x = 14,044,771,400.60
  5. Step 5: Solve for x
    x = 14,044,771,400.60/133,070.04
  6. Step 6: Final answer
    x = 105,544.20

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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.