Home / 218,867.06-302,036.55-118,265.06

Finding the Fourth Proportional to 218,867.06, 302,036.55 and 118,265.06

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Solution

The fourth proportional to 218,867.06, 302,036.55 and 118,265.06 is: 163,205.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,867.06 : 302,036.55 = 118,265.06 : x
  2. Step 2: Convert to fraction form
    218,867.06/302,036.55 = 118,265.06/x
  3. Step 3: Cross multiply
    218,867.06x = 302,036.55 × 118,265.06
  4. Step 4: Simplify right side
    218,867.06x = 35,720,371,019.54
  5. Step 5: Solve for x
    x = 35,720,371,019.54/218,867.06
  6. Step 6: Final answer
    x = 163,205.79

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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.