Home / 127,184.14-175,514.80-79,465.17

Finding the Fourth Proportional to 127,184.14, 175,514.80 and 79,465.17

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Solution

The fourth proportional to 127,184.14, 175,514.80 and 79,465.17 is: 109,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,184.14 : 175,514.80 = 79,465.17 : x
  2. Step 2: Convert to fraction form
    127,184.14/175,514.80 = 79,465.17/x
  3. Step 3: Cross multiply
    127,184.14x = 175,514.80 × 79,465.17
  4. Step 4: Simplify right side
    127,184.14x = 13,947,313,419.52
  5. Step 5: Solve for x
    x = 13,947,313,419.52/127,184.14
  6. Step 6: Final answer
    x = 109,662.36

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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.