Home / 130,864.44-180,588.38-79,962.38

Finding the Fourth Proportional to 130,864.44, 180,588.38 and 79,962.38

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Solution

The fourth proportional to 130,864.44, 180,588.38 and 79,962.38 is: 110,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,864.44 : 180,588.38 = 79,962.38 : x
  2. Step 2: Convert to fraction form
    130,864.44/180,588.38 = 79,962.38/x
  3. Step 3: Cross multiply
    130,864.44x = 180,588.38 × 79,962.38
  4. Step 4: Simplify right side
    130,864.44x = 14,440,276,665.14
  5. Step 5: Solve for x
    x = 14,440,276,665.14/130,864.44
  6. Step 6: Final answer
    x = 110,345.31

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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.