Home / 203,196.02-304,981.12-103,427.50

Finding the Fourth Proportional to 203,196.02, 304,981.12 and 103,427.50

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Solution

The fourth proportional to 203,196.02, 304,981.12 and 103,427.50 is: 155,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,196.02 : 304,981.12 = 103,427.50 : x
  2. Step 2: Convert to fraction form
    203,196.02/304,981.12 = 103,427.50/x
  3. Step 3: Cross multiply
    203,196.02x = 304,981.12 × 103,427.50
  4. Step 4: Simplify right side
    203,196.02x = 31,543,434,788.80
  5. Step 5: Solve for x
    x = 31,543,434,788.80/203,196.02
  6. Step 6: Final answer
    x = 155,236.48

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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.