Home / 130,623.36-180,262.32-74,033.52

Finding the Fourth Proportional to 130,623.36, 180,262.32 and 74,033.52

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Solution

The fourth proportional to 130,623.36, 180,262.32 and 74,033.52 is: 102,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,623.36 : 180,262.32 = 74,033.52 : x
  2. Step 2: Convert to fraction form
    130,623.36/180,262.32 = 74,033.52/x
  3. Step 3: Cross multiply
    130,623.36x = 180,262.32 × 74,033.52
  4. Step 4: Simplify right side
    130,623.36x = 13,345,454,072.97
  5. Step 5: Solve for x
    x = 13,345,454,072.97/130,623.36
  6. Step 6: Final answer
    x = 102,167.44

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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.