Home / 166,903.96-230,326.02-90,421.24

Finding the Fourth Proportional to 166,903.96, 230,326.02 and 90,421.24

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Solution

The fourth proportional to 166,903.96, 230,326.02 and 90,421.24 is: 124,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,903.96 : 230,326.02 = 90,421.24 : x
  2. Step 2: Convert to fraction form
    166,903.96/230,326.02 = 90,421.24/x
  3. Step 3: Cross multiply
    166,903.96x = 230,326.02 × 90,421.24
  4. Step 4: Simplify right side
    166,903.96x = 20,826,364,332.66
  5. Step 5: Solve for x
    x = 20,826,364,332.66/166,903.96
  6. Step 6: Final answer
    x = 124,780.53

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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.