Home / 126,271.02-188,371.58-122,838.78

Finding the Fourth Proportional to 126,271.02, 188,371.58 and 122,838.78

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Solution

The fourth proportional to 126,271.02, 188,371.58 and 122,838.78 is: 183,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,271.02 : 188,371.58 = 122,838.78 : x
  2. Step 2: Convert to fraction form
    126,271.02/188,371.58 = 122,838.78/x
  3. Step 3: Cross multiply
    126,271.02x = 188,371.58 × 122,838.78
  4. Step 4: Simplify right side
    126,271.02x = 23,139,334,459.68
  5. Step 5: Solve for x
    x = 23,139,334,459.68/126,271.02
  6. Step 6: Final answer
    x = 183,251.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.