Home / 119,186.28-178,802.46-40,313.34

Finding the Fourth Proportional to 119,186.28, 178,802.46 and 40,313.34

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Solution

The fourth proportional to 119,186.28, 178,802.46 and 40,313.34 is: 60,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,186.28 : 178,802.46 = 40,313.34 : x
  2. Step 2: Convert to fraction form
    119,186.28/178,802.46 = 40,313.34/x
  3. Step 3: Cross multiply
    119,186.28x = 178,802.46 × 40,313.34
  4. Step 4: Simplify right side
    119,186.28x = 7,208,124,362.82
  5. Step 5: Solve for x
    x = 7,208,124,362.82/119,186.28
  6. Step 6: Final answer
    x = 60,477.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.