Home / 130,459.74-180,031.82-73,098.36

Finding the Fourth Proportional to 130,459.74, 180,031.82 and 73,098.36

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Solution

The fourth proportional to 130,459.74, 180,031.82 and 73,098.36 is: 100,874.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,459.74 : 180,031.82 = 73,098.36 : x
  2. Step 2: Convert to fraction form
    130,459.74/180,031.82 = 73,098.36/x
  3. Step 3: Cross multiply
    130,459.74x = 180,031.82 × 73,098.36
  4. Step 4: Simplify right side
    130,459.74x = 13,160,030,789.82
  5. Step 5: Solve for x
    x = 13,160,030,789.82/130,459.74
  6. Step 6: Final answer
    x = 100,874.27

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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.