Home / 136,272.48-188,003.64-100,547.64

Finding the Fourth Proportional to 136,272.48, 188,003.64 and 100,547.64

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Solution

The fourth proportional to 136,272.48, 188,003.64 and 100,547.64 is: 138,717.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,272.48 : 188,003.64 = 100,547.64 : x
  2. Step 2: Convert to fraction form
    136,272.48/188,003.64 = 100,547.64/x
  3. Step 3: Cross multiply
    136,272.48x = 188,003.64 × 100,547.64
  4. Step 4: Simplify right side
    136,272.48x = 18,903,322,313.41
  5. Step 5: Solve for x
    x = 18,903,322,313.41/136,272.48
  6. Step 6: Final answer
    x = 138,717.09

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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.