Home / 130,294.78-195,329.07-51,389.64

Finding the Fourth Proportional to 130,294.78, 195,329.07 and 51,389.64

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Solution

The fourth proportional to 130,294.78, 195,329.07 and 51,389.64 is: 77,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,294.78 : 195,329.07 = 51,389.64 : x
  2. Step 2: Convert to fraction form
    130,294.78/195,329.07 = 51,389.64/x
  3. Step 3: Cross multiply
    130,294.78x = 195,329.07 × 51,389.64
  4. Step 4: Simplify right side
    130,294.78x = 10,037,890,588.83
  5. Step 5: Solve for x
    x = 10,037,890,588.83/130,294.78
  6. Step 6: Final answer
    x = 77,039.85

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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.