Home / 130,499.73-195,827.36-47,400.21

Finding the Fourth Proportional to 130,499.73, 195,827.36 and 47,400.21

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Solution

The fourth proportional to 130,499.73, 195,827.36 and 47,400.21 is: 71,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,499.73 : 195,827.36 = 47,400.21 : x
  2. Step 2: Convert to fraction form
    130,499.73/195,827.36 = 47,400.21/x
  3. Step 3: Cross multiply
    130,499.73x = 195,827.36 × 47,400.21
  4. Step 4: Simplify right side
    130,499.73x = 9,282,257,750.74
  5. Step 5: Solve for x
    x = 9,282,257,750.74/130,499.73
  6. Step 6: Final answer
    x = 71,128.56

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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.