Home / 218,065.14-300,885.76-127,403.58

Finding the Fourth Proportional to 218,065.14, 300,885.76 and 127,403.58

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Solution

The fourth proportional to 218,065.14, 300,885.76 and 127,403.58 is: 175,791.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,065.14 : 300,885.76 = 127,403.58 : x
  2. Step 2: Convert to fraction form
    218,065.14/300,885.76 = 127,403.58/x
  3. Step 3: Cross multiply
    218,065.14x = 300,885.76 × 127,403.58
  4. Step 4: Simplify right side
    218,065.14x = 38,333,922,995.02
  5. Step 5: Solve for x
    x = 38,333,922,995.02/218,065.14
  6. Step 6: Final answer
    x = 175,791.16

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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.