Home / 197,405.02-296,133.48-103,915.90

Finding the Fourth Proportional to 197,405.02, 296,133.48 and 103,915.90

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Solution

The fourth proportional to 197,405.02, 296,133.48 and 103,915.90 is: 155,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,405.02 : 296,133.48 = 103,915.90 : x
  2. Step 2: Convert to fraction form
    197,405.02/296,133.48 = 103,915.90/x
  3. Step 3: Cross multiply
    197,405.02x = 296,133.48 × 103,915.90
  4. Step 4: Simplify right side
    197,405.02x = 30,772,977,094.33
  5. Step 5: Solve for x
    x = 30,772,977,094.33/197,405.02
  6. Step 6: Final answer
    x = 155,887.51

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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.