Home / 253,100.07-349,366.05-145,712.90

Finding the Fourth Proportional to 253,100.07, 349,366.05 and 145,712.90

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Solution

The fourth proportional to 253,100.07, 349,366.05 and 145,712.90 is: 201,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,100.07 : 349,366.05 = 145,712.90 : x
  2. Step 2: Convert to fraction form
    253,100.07/349,366.05 = 145,712.90/x
  3. Step 3: Cross multiply
    253,100.07x = 349,366.05 × 145,712.90
  4. Step 4: Simplify right side
    253,100.07x = 50,907,140,307.05
  5. Step 5: Solve for x
    x = 50,907,140,307.05/253,100.07
  6. Step 6: Final answer
    x = 201,134.44

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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.