Home / 253,089.23-349,278.44-145,656.90

Finding the Fourth Proportional to 253,089.23, 349,278.44 and 145,656.90

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Solution

The fourth proportional to 253,089.23, 349,278.44 and 145,656.90 is: 201,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,089.23 : 349,278.44 = 145,656.90 : x
  2. Step 2: Convert to fraction form
    253,089.23/349,278.44 = 145,656.90/x
  3. Step 3: Cross multiply
    253,089.23x = 349,278.44 × 145,656.90
  4. Step 4: Simplify right side
    253,089.23x = 50,874,814,078.95
  5. Step 5: Solve for x
    x = 50,874,814,078.95/253,089.23
  6. Step 6: Final answer
    x = 201,015.33

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1.5x scale

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.