Home / 126,876.28-175,075.14-70,273.48

Finding the Fourth Proportional to 126,876.28, 175,075.14 and 70,273.48

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Solution

The fourth proportional to 126,876.28, 175,075.14 and 70,273.48 is: 96,969.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,876.28 : 175,075.14 = 70,273.48 : x
  2. Step 2: Convert to fraction form
    126,876.28/175,075.14 = 70,273.48/x
  3. Step 3: Cross multiply
    126,876.28x = 175,075.14 × 70,273.48
  4. Step 4: Simplify right side
    126,876.28x = 12,303,139,349.29
  5. Step 5: Solve for x
    x = 12,303,139,349.29/126,876.28
  6. Step 6: Final answer
    x = 96,969.58

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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.