Home / 130,262.29-195,291.36-51,435.52

Finding the Fourth Proportional to 130,262.29, 195,291.36 and 51,435.52

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Solution

The fourth proportional to 130,262.29, 195,291.36 and 51,435.52 is: 77,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.29 : 195,291.36 = 51,435.52 : x
  2. Step 2: Convert to fraction form
    130,262.29/195,291.36 = 51,435.52/x
  3. Step 3: Cross multiply
    130,262.29x = 195,291.36 × 51,435.52
  4. Step 4: Simplify right side
    130,262.29x = 10,044,911,419.47
  5. Step 5: Solve for x
    x = 10,044,911,419.47/130,262.29
  6. Step 6: Final answer
    x = 77,112.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.