Home / 126,769.55-190,176.93-42,557.13

Finding the Fourth Proportional to 126,769.55, 190,176.93 and 42,557.13

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Solution

The fourth proportional to 126,769.55, 190,176.93 and 42,557.13 is: 63,843.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,769.55 : 190,176.93 = 42,557.13 : x
  2. Step 2: Convert to fraction form
    126,769.55/190,176.93 = 42,557.13/x
  3. Step 3: Cross multiply
    126,769.55x = 190,176.93 × 42,557.13
  4. Step 4: Simplify right side
    126,769.55x = 8,093,384,333.01
  5. Step 5: Solve for x
    x = 8,093,384,333.01/126,769.55
  6. Step 6: Final answer
    x = 63,843.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.