Home / 218,462.26-301,322.65-145,828.55

Finding the Fourth Proportional to 218,462.26, 301,322.65 and 145,828.55

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Solution

The fourth proportional to 218,462.26, 301,322.65 and 145,828.55 is: 201,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,462.26 : 301,322.65 = 145,828.55 : x
  2. Step 2: Convert to fraction form
    218,462.26/301,322.65 = 145,828.55/x
  3. Step 3: Cross multiply
    218,462.26x = 301,322.65 × 145,828.55
  4. Step 4: Simplify right side
    218,462.26x = 43,941,445,131.66
  5. Step 5: Solve for x
    x = 43,941,445,131.66/218,462.26
  6. Step 6: Final answer
    x = 201,139.75

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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.