Home / 112,218.48-154,918.71-86,667.44

Finding the Fourth Proportional to 112,218.48, 154,918.71 and 86,667.44

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Solution

The fourth proportional to 112,218.48, 154,918.71 and 86,667.44 is: 119,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,218.48 : 154,918.71 = 86,667.44 : x
  2. Step 2: Convert to fraction form
    112,218.48/154,918.71 = 86,667.44/x
  3. Step 3: Cross multiply
    112,218.48x = 154,918.71 × 86,667.44
  4. Step 4: Simplify right side
    112,218.48x = 13,426,407,229.21
  5. Step 5: Solve for x
    x = 13,426,407,229.21/112,218.48
  6. Step 6: Final answer
    x = 119,645.24

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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.