Home / 130,499.67-180,089.48-73,911.05

Finding the Fourth Proportional to 130,499.67, 180,089.48 and 73,911.05

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Solution

The fourth proportional to 130,499.67, 180,089.48 and 73,911.05 is: 101,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,499.67 : 180,089.48 = 73,911.05 : x
  2. Step 2: Convert to fraction form
    130,499.67/180,089.48 = 73,911.05/x
  3. Step 3: Cross multiply
    130,499.67x = 180,089.48 × 73,911.05
  4. Step 4: Simplify right side
    130,499.67x = 13,310,602,104.67
  5. Step 5: Solve for x
    x = 13,310,602,104.67/130,499.67
  6. Step 6: Final answer
    x = 101,997.21

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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.