Home / 130,400.64-195,625.44-51,515.52

Finding the Fourth Proportional to 130,400.64, 195,625.44 and 51,515.52

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Solution

The fourth proportional to 130,400.64, 195,625.44 and 51,515.52 is: 77,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,400.64 : 195,625.44 = 51,515.52 : x
  2. Step 2: Convert to fraction form
    130,400.64/195,625.44 = 51,515.52/x
  3. Step 3: Cross multiply
    130,400.64x = 195,625.44 × 51,515.52
  4. Step 4: Simplify right side
    130,400.64x = 10,077,746,266.83
  5. Step 5: Solve for x
    x = 10,077,746,266.83/130,400.64
  6. Step 6: Final answer
    x = 77,282.95

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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.