Home / 130,293.85-195,442.82-51,407.39

Finding the Fourth Proportional to 130,293.85, 195,442.82 and 51,407.39

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Solution

The fourth proportional to 130,293.85, 195,442.82 and 51,407.39 is: 77,111.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,293.85 : 195,442.82 = 51,407.39 : x
  2. Step 2: Convert to fraction form
    130,293.85/195,442.82 = 51,407.39/x
  3. Step 3: Cross multiply
    130,293.85x = 195,442.82 × 51,407.39
  4. Step 4: Simplify right side
    130,293.85x = 10,047,205,887.57
  5. Step 5: Solve for x
    x = 10,047,205,887.57/130,293.85
  6. Step 6: Final answer
    x = 77,111.90

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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.