Home / 126,710.19-174,865.50-70,121.57

Finding the Fourth Proportional to 126,710.19, 174,865.50 and 70,121.57

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Solution

The fourth proportional to 126,710.19, 174,865.50 and 70,121.57 is: 96,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,710.19 : 174,865.50 = 70,121.57 : x
  2. Step 2: Convert to fraction form
    126,710.19/174,865.50 = 70,121.57/x
  3. Step 3: Cross multiply
    126,710.19x = 174,865.50 × 70,121.57
  4. Step 4: Simplify right side
    126,710.19x = 12,261,842,524.51
  5. Step 5: Solve for x
    x = 12,261,842,524.51/126,710.19
  6. Step 6: Final answer
    x = 96,770.77

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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.