Home / 126,324.87-174,357.64-83,312.15

Finding the Fourth Proportional to 126,324.87, 174,357.64 and 83,312.15

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Solution

The fourth proportional to 126,324.87, 174,357.64 and 83,312.15 is: 114,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324.87 : 174,357.64 = 83,312.15 : x
  2. Step 2: Convert to fraction form
    126,324.87/174,357.64 = 83,312.15/x
  3. Step 3: Cross multiply
    126,324.87x = 174,357.64 × 83,312.15
  4. Step 4: Simplify right side
    126,324.87x = 14,526,109,857.33
  5. Step 5: Solve for x
    x = 14,526,109,857.33/126,324.87
  6. Step 6: Final answer
    x = 114,990.10

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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.