Home / 126,328.92-174,329.40-76,018.20

Finding the Fourth Proportional to 126,328.92, 174,329.40 and 76,018.20

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Solution

The fourth proportional to 126,328.92, 174,329.40 and 76,018.20 is: 104,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,328.92 : 174,329.40 = 76,018.20 : x
  2. Step 2: Convert to fraction form
    126,328.92/174,329.40 = 76,018.20/x
  3. Step 3: Cross multiply
    126,328.92x = 174,329.40 × 76,018.20
  4. Step 4: Simplify right side
    126,328.92x = 13,252,207,195.08
  5. Step 5: Solve for x
    x = 13,252,207,195.08/126,328.92
  6. Step 6: Final answer
    x = 104,902.40

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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.