Home / 130,913.96-180,650.16-73,548.78

Finding the Fourth Proportional to 130,913.96, 180,650.16 and 73,548.78

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Solution

The fourth proportional to 130,913.96, 180,650.16 and 73,548.78 is: 101,491.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,913.96 : 180,650.16 = 73,548.78 : x
  2. Step 2: Convert to fraction form
    130,913.96/180,650.16 = 73,548.78/x
  3. Step 3: Cross multiply
    130,913.96x = 180,650.16 × 73,548.78
  4. Step 4: Simplify right side
    130,913.96x = 13,286,598,874.80
  5. Step 5: Solve for x
    x = 13,286,598,874.80/130,913.96
  6. Step 6: Final answer
    x = 101,491.08

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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.