Home / 126,717.60-174,852.99-75,719.55

Finding the Fourth Proportional to 126,717.60, 174,852.99 and 75,719.55

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Solution

The fourth proportional to 126,717.60, 174,852.99 and 75,719.55 is: 104,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,717.60 : 174,852.99 = 75,719.55 : x
  2. Step 2: Convert to fraction form
    126,717.60/174,852.99 = 75,719.55/x
  3. Step 3: Cross multiply
    126,717.60x = 174,852.99 × 75,719.55
  4. Step 4: Simplify right side
    126,717.60x = 13,239,789,718.95
  5. Step 5: Solve for x
    x = 13,239,789,718.95/126,717.60
  6. Step 6: Final answer
    x = 104,482.64

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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.