Home / 155,865.60-233,798.40-118,540.80

Finding the Fourth Proportional to 155,865.60, 233,798.40 and 118,540.80

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Solution

The fourth proportional to 155,865.60, 233,798.40 and 118,540.80 is: 177,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,865.60 : 233,798.40 = 118,540.80 : x
  2. Step 2: Convert to fraction form
    155,865.60/233,798.40 = 118,540.80/x
  3. Step 3: Cross multiply
    155,865.60x = 233,798.40 × 118,540.80
  4. Step 4: Simplify right side
    155,865.60x = 27,714,649,374.72
  5. Step 5: Solve for x
    x = 27,714,649,374.72/155,865.60
  6. Step 6: Final answer
    x = 177,811.20

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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.