Home / 119,255.81-178,881.89-30,508.56

Finding the Fourth Proportional to 119,255.81, 178,881.89 and 30,508.56

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Solution

The fourth proportional to 119,255.81, 178,881.89 and 30,508.56 is: 45,762.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,255.81 : 178,881.89 = 30,508.56 : x
  2. Step 2: Convert to fraction form
    119,255.81/178,881.89 = 30,508.56/x
  3. Step 3: Cross multiply
    119,255.81x = 178,881.89 × 30,508.56
  4. Step 4: Simplify right side
    119,255.81x = 5,457,428,721.44
  5. Step 5: Solve for x
    x = 5,457,428,721.44/119,255.81
  6. Step 6: Final answer
    x = 45,762.37

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1.5x scale

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.