Home / 133,316.48-183,976.92-76,727.84

Finding the Fourth Proportional to 133,316.48, 183,976.92 and 76,727.84

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Solution

The fourth proportional to 133,316.48, 183,976.92 and 76,727.84 is: 105,884.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,316.48 : 183,976.92 = 76,727.84 : x
  2. Step 2: Convert to fraction form
    133,316.48/183,976.92 = 76,727.84/x
  3. Step 3: Cross multiply
    133,316.48x = 183,976.92 × 76,727.84
  4. Step 4: Simplify right side
    133,316.48x = 14,116,151,681.45
  5. Step 5: Solve for x
    x = 14,116,151,681.45/133,316.48
  6. Step 6: Final answer
    x = 105,884.52

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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.