Home / 130,815.60-196,237.80-47,727.60

Finding the Fourth Proportional to 130,815.60, 196,237.80 and 47,727.60

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Solution

The fourth proportional to 130,815.60, 196,237.80 and 47,727.60 is: 71,596.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,815.60 : 196,237.80 = 47,727.60 : x
  2. Step 2: Convert to fraction form
    130,815.60/196,237.80 = 47,727.60/x
  3. Step 3: Cross multiply
    130,815.60x = 196,237.80 × 47,727.60
  4. Step 4: Simplify right side
    130,815.60x = 9,365,959,223.28
  5. Step 5: Solve for x
    x = 9,365,959,223.28/130,815.60
  6. Step 6: Final answer
    x = 71,596.65

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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.