Home / 126,365.30-174,454.16-86,138.17

Finding the Fourth Proportional to 126,365.30, 174,454.16 and 86,138.17

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Solution

The fourth proportional to 126,365.30, 174,454.16 and 86,138.17 is: 118,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,365.30 : 174,454.16 = 86,138.17 : x
  2. Step 2: Convert to fraction form
    126,365.30/174,454.16 = 86,138.17/x
  3. Step 3: Cross multiply
    126,365.30x = 174,454.16 × 86,138.17
  4. Step 4: Simplify right side
    126,365.30x = 15,027,161,224.46
  5. Step 5: Solve for x
    x = 15,027,161,224.46/126,365.30
  6. Step 6: Final answer
    x = 118,918.42

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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.