Home / 84,085.16-126,161.34-34,169.16

Finding the Fourth Proportional to 84,085.16, 126,161.34 and 34,169.16

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Solution

The fourth proportional to 84,085.16, 126,161.34 and 34,169.16 is: 51,267.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,085.16 : 126,161.34 = 34,169.16 : x
  2. Step 2: Convert to fraction form
    84,085.16/126,161.34 = 34,169.16/x
  3. Step 3: Cross multiply
    84,085.16x = 126,161.34 × 34,169.16
  4. Step 4: Simplify right side
    84,085.16x = 4,310,827,570.80
  5. Step 5: Solve for x
    x = 4,310,827,570.80/84,085.16
  6. Step 6: Final answer
    x = 51,267.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.