Home / 119,370.71-178,815.79-55,238.45

Finding the Fourth Proportional to 119,370.71, 178,815.79 and 55,238.45

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Solution

The fourth proportional to 119,370.71, 178,815.79 and 55,238.45 is: 82,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,370.71 : 178,815.79 = 55,238.45 : x
  2. Step 2: Convert to fraction form
    119,370.71/178,815.79 = 55,238.45/x
  3. Step 3: Cross multiply
    119,370.71x = 178,815.79 × 55,238.45
  4. Step 4: Simplify right side
    119,370.71x = 9,877,507,384.07
  5. Step 5: Solve for x
    x = 9,877,507,384.07/119,370.71
  6. Step 6: Final answer
    x = 82,746.49

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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.