Home / 126,172.68-174,130.56-94,286.40

Finding the Fourth Proportional to 126,172.68, 174,130.56 and 94,286.40

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Solution

The fourth proportional to 126,172.68, 174,130.56 and 94,286.40 is: 130,124.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,172.68 : 174,130.56 = 94,286.40 : x
  2. Step 2: Convert to fraction form
    126,172.68/174,130.56 = 94,286.40/x
  3. Step 3: Cross multiply
    126,172.68x = 174,130.56 × 94,286.40
  4. Step 4: Simplify right side
    126,172.68x = 16,418,143,632.38
  5. Step 5: Solve for x
    x = 16,418,143,632.38/126,172.68
  6. Step 6: Final answer
    x = 130,124.39

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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.