Home / 126,090.28-174,075.78-83,706.76

Finding the Fourth Proportional to 126,090.28, 174,075.78 and 83,706.76

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Solution

The fourth proportional to 126,090.28, 174,075.78 and 83,706.76 is: 115,562.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,090.28 : 174,075.78 = 83,706.76 : x
  2. Step 2: Convert to fraction form
    126,090.28/174,075.78 = 83,706.76/x
  3. Step 3: Cross multiply
    126,090.28x = 174,075.78 × 83,706.76
  4. Step 4: Simplify right side
    126,090.28x = 14,571,319,538.27
  5. Step 5: Solve for x
    x = 14,571,319,538.27/126,090.28
  6. Step 6: Final answer
    x = 115,562.59

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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.