Home / 252,405.02-348,325.50-137,685.60

Finding the Fourth Proportional to 252,405.02, 348,325.50 and 137,685.60

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Solution

The fourth proportional to 252,405.02, 348,325.50 and 137,685.60 is: 190,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,405.02 : 348,325.50 = 137,685.60 : x
  2. Step 2: Convert to fraction form
    252,405.02/348,325.50 = 137,685.60/x
  3. Step 3: Cross multiply
    252,405.02x = 348,325.50 × 137,685.60
  4. Step 4: Simplify right side
    252,405.02x = 47,959,405,462.80
  5. Step 5: Solve for x
    x = 47,959,405,462.80/252,405.02
  6. Step 6: Final answer
    x = 190,009.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.