Home / 218,559.12-301,619.04-127,923.52

Finding the Fourth Proportional to 218,559.12, 301,619.04 and 127,923.52

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Solution

The fourth proportional to 218,559.12, 301,619.04 and 127,923.52 is: 176,538.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,559.12 : 301,619.04 = 127,923.52 : x
  2. Step 2: Convert to fraction form
    218,559.12/301,619.04 = 127,923.52/x
  3. Step 3: Cross multiply
    218,559.12x = 301,619.04 × 127,923.52
  4. Step 4: Simplify right side
    218,559.12x = 38,584,169,295.82
  5. Step 5: Solve for x
    x = 38,584,169,295.82/218,559.12
  6. Step 6: Final answer
    x = 176,538.82

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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.