Home / 130,499.72-180,102.26-73,148.79

Finding the Fourth Proportional to 130,499.72, 180,102.26 and 73,148.79

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Solution

The fourth proportional to 130,499.72, 180,102.26 and 73,148.79 is: 100,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,499.72 : 180,102.26 = 73,148.79 : x
  2. Step 2: Convert to fraction form
    130,499.72/180,102.26 = 73,148.79/x
  3. Step 3: Cross multiply
    130,499.72x = 180,102.26 × 73,148.79
  4. Step 4: Simplify right side
    130,499.72x = 13,174,262,034.71
  5. Step 5: Solve for x
    x = 13,174,262,034.71/130,499.72
  6. Step 6: Final answer
    x = 100,952.41

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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.