Home / 130,631.49-180,273.43-73,283.52

Finding the Fourth Proportional to 130,631.49, 180,273.43 and 73,283.52

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Solution

The fourth proportional to 130,631.49, 180,273.43 and 73,283.52 is: 101,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,631.49 : 180,273.43 = 73,283.52 : x
  2. Step 2: Convert to fraction form
    130,631.49/180,273.43 = 73,283.52/x
  3. Step 3: Cross multiply
    130,631.49x = 180,273.43 × 73,283.52
  4. Step 4: Simplify right side
    130,631.49x = 13,211,072,280.50
  5. Step 5: Solve for x
    x = 13,211,072,280.50/130,631.49
  6. Step 6: Final answer
    x = 101,132.37

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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.