Home / 126,669.51-174,803.67-70,080.75

Finding the Fourth Proportional to 126,669.51, 174,803.67 and 70,080.75

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Solution

The fourth proportional to 126,669.51, 174,803.67 and 70,080.75 is: 96,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,669.51 : 174,803.67 = 70,080.75 : x
  2. Step 2: Convert to fraction form
    126,669.51/174,803.67 = 70,080.75/x
  3. Step 3: Cross multiply
    126,669.51x = 174,803.67 × 70,080.75
  4. Step 4: Simplify right side
    126,669.51x = 12,250,372,296.35
  5. Step 5: Solve for x
    x = 12,250,372,296.35/126,669.51
  6. Step 6: Final answer
    x = 96,711.29

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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.