Home / 166,885.88-230,303.02-90,405.76

Finding the Fourth Proportional to 166,885.88, 230,303.02 and 90,405.76

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Solution

The fourth proportional to 166,885.88, 230,303.02 and 90,405.76 is: 124,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,885.88 : 230,303.02 = 90,405.76 : x
  2. Step 2: Convert to fraction form
    166,885.88/230,303.02 = 90,405.76/x
  3. Step 3: Cross multiply
    166,885.88x = 230,303.02 × 90,405.76
  4. Step 4: Simplify right side
    166,885.88x = 20,820,719,553.40
  5. Step 5: Solve for x
    x = 20,820,719,553.40/166,885.88
  6. Step 6: Final answer
    x = 124,760.22

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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.