Home / 126,671.24-174,730.16-83,651.16

Finding the Fourth Proportional to 126,671.24, 174,730.16 and 83,651.16

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Solution

The fourth proportional to 126,671.24, 174,730.16 and 83,651.16 is: 115,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,671.24 : 174,730.16 = 83,651.16 : x
  2. Step 2: Convert to fraction form
    126,671.24/174,730.16 = 83,651.16/x
  3. Step 3: Cross multiply
    126,671.24x = 174,730.16 × 83,651.16
  4. Step 4: Simplify right side
    126,671.24x = 14,616,380,570.99
  5. Step 5: Solve for x
    x = 14,616,380,570.99/126,671.24
  6. Step 6: Final answer
    x = 115,388.31

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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.