Home / 155,365.09-214,538.32-147,393.47

Finding the Fourth Proportional to 155,365.09, 214,538.32 and 147,393.47

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Solution

The fourth proportional to 155,365.09, 214,538.32 and 147,393.47 is: 203,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,365.09 : 214,538.32 = 147,393.47 : x
  2. Step 2: Convert to fraction form
    155,365.09/214,538.32 = 147,393.47/x
  3. Step 3: Cross multiply
    155,365.09x = 214,538.32 × 147,393.47
  4. Step 4: Simplify right side
    155,365.09x = 31,621,548,153.36
  5. Step 5: Solve for x
    x = 31,621,548,153.36/155,365.09
  6. Step 6: Final answer
    x = 203,530.59

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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.