Home / 126,241.96-174,277.04-78,510.69

Finding the Fourth Proportional to 126,241.96, 174,277.04 and 78,510.69

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Solution

The fourth proportional to 126,241.96, 174,277.04 and 78,510.69 is: 108,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,241.96 : 174,277.04 = 78,510.69 : x
  2. Step 2: Convert to fraction form
    126,241.96/174,277.04 = 78,510.69/x
  3. Step 3: Cross multiply
    126,241.96x = 174,277.04 × 78,510.69
  4. Step 4: Simplify right side
    126,241.96x = 13,682,610,110.07
  5. Step 5: Solve for x
    x = 13,682,610,110.07/126,241.96
  6. Step 6: Final answer
    x = 108,384.01

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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.