Home / 130,823.54-180,538.38-73,475.28

Finding the Fourth Proportional to 130,823.54, 180,538.38 and 73,475.28

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Solution

The fourth proportional to 130,823.54, 180,538.38 and 73,475.28 is: 101,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,823.54 : 180,538.38 = 73,475.28 : x
  2. Step 2: Convert to fraction form
    130,823.54/180,538.38 = 73,475.28/x
  3. Step 3: Cross multiply
    130,823.54x = 180,538.38 × 73,475.28
  4. Step 4: Simplify right side
    130,823.54x = 13,265,108,021.25
  5. Step 5: Solve for x
    x = 13,265,108,021.25/130,823.54
  6. Step 6: Final answer
    x = 101,396.95

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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.