Home / 126,657-190,050.84-55,629.45

Finding the Fourth Proportional to 126,657, 190,050.84 and 55,629.45

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Solution

The fourth proportional to 126,657, 190,050.84 and 55,629.45 is: 83,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,657 : 190,050.84 = 55,629.45 : x
  2. Step 2: Convert to fraction form
    126,657/190,050.84 = 55,629.45/x
  3. Step 3: Cross multiply
    126,657x = 190,050.84 × 55,629.45
  4. Step 4: Simplify right side
    126,657x = 10,572,423,701.24
  5. Step 5: Solve for x
    x = 10,572,423,701.24/126,657
  6. Step 6: Final answer
    x = 83,472.87

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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.