Home / 130,912.45-180,648.09-73,547.27

Finding the Fourth Proportional to 130,912.45, 180,648.09 and 73,547.27

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Solution

The fourth proportional to 130,912.45, 180,648.09 and 73,547.27 is: 101,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,912.45 : 180,648.09 = 73,547.27 : x
  2. Step 2: Convert to fraction form
    130,912.45/180,648.09 = 73,547.27/x
  3. Step 3: Cross multiply
    130,912.45x = 180,648.09 × 73,547.27
  4. Step 4: Simplify right side
    130,912.45x = 13,286,174,640.55
  5. Step 5: Solve for x
    x = 13,286,174,640.55/130,912.45
  6. Step 6: Final answer
    x = 101,489.01

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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.