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Finding the Fourth Proportional to 201,139.04, 301,703.84 and 101,272.32

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Solution

The fourth proportional to 201,139.04, 301,703.84 and 101,272.32 is: 151,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,139.04 : 301,703.84 = 101,272.32 : x
  2. Step 2: Convert to fraction form
    201,139.04/301,703.84 = 101,272.32/x
  3. Step 3: Cross multiply
    201,139.04x = 301,703.84 × 101,272.32
  4. Step 4: Simplify right side
    201,139.04x = 30,554,247,829.71
  5. Step 5: Solve for x
    x = 30,554,247,829.71/201,139.04
  6. Step 6: Final answer
    x = 151,906.10

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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.