Home / 134,314.69-201,218.05-79,378.23

Finding the Fourth Proportional to 134,314.69, 201,218.05 and 79,378.23

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Solution

The fourth proportional to 134,314.69, 201,218.05 and 79,378.23 is: 118,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,314.69 : 201,218.05 = 79,378.23 : x
  2. Step 2: Convert to fraction form
    134,314.69/201,218.05 = 79,378.23/x
  3. Step 3: Cross multiply
    134,314.69x = 201,218.05 × 79,378.23
  4. Step 4: Simplify right side
    134,314.69x = 15,972,333,483.48
  5. Step 5: Solve for x
    x = 15,972,333,483.48/134,314.69
  6. Step 6: Final answer
    x = 118,917.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.