Home / 126,430.32-174,490.56-122,276.24

Finding the Fourth Proportional to 126,430.32, 174,490.56 and 122,276.24

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Solution

The fourth proportional to 126,430.32, 174,490.56 and 122,276.24 is: 168,757.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,430.32 : 174,490.56 = 122,276.24 : x
  2. Step 2: Convert to fraction form
    126,430.32/174,490.56 = 122,276.24/x
  3. Step 3: Cross multiply
    126,430.32x = 174,490.56 × 122,276.24
  4. Step 4: Simplify right side
    126,430.32x = 21,336,049,592.29
  5. Step 5: Solve for x
    x = 21,336,049,592.29/126,430.32
  6. Step 6: Final answer
    x = 168,757.38

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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.