Home / 253,631.07-350,014.77-138,907.53

Finding the Fourth Proportional to 253,631.07, 350,014.77 and 138,907.53

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Solution

The fourth proportional to 253,631.07, 350,014.77 and 138,907.53 is: 191,694.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,631.07 : 350,014.77 = 138,907.53 : x
  2. Step 2: Convert to fraction form
    253,631.07/350,014.77 = 138,907.53/x
  3. Step 3: Cross multiply
    253,631.07x = 350,014.77 × 138,907.53
  4. Step 4: Simplify right side
    253,631.07x = 48,619,687,164.22
  5. Step 5: Solve for x
    x = 48,619,687,164.22/253,631.07
  6. Step 6: Final answer
    x = 191,694.52

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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.