Home / 119,263.96-178,918.62-40,357

Finding the Fourth Proportional to 119,263.96, 178,918.62 and 40,357

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Solution

The fourth proportional to 119,263.96, 178,918.62 and 40,357 is: 60,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,263.96 : 178,918.62 = 40,357 : x
  2. Step 2: Convert to fraction form
    119,263.96/178,918.62 = 40,357/x
  3. Step 3: Cross multiply
    119,263.96x = 178,918.62 × 40,357
  4. Step 4: Simplify right side
    119,263.96x = 7,220,618,747.34
  5. Step 5: Solve for x
    x = 7,220,618,747.34/119,263.96
  6. Step 6: Final answer
    x = 60,543.17

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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.