Home / 166,867.05-230,276.76-90,386.98

Finding the Fourth Proportional to 166,867.05, 230,276.76 and 90,386.98

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Solution

The fourth proportional to 166,867.05, 230,276.76 and 90,386.98 is: 124,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,867.05 : 230,276.76 = 90,386.98 : x
  2. Step 2: Convert to fraction form
    166,867.05/230,276.76 = 90,386.98/x
  3. Step 3: Cross multiply
    166,867.05x = 230,276.76 × 90,386.98
  4. Step 4: Simplify right side
    166,867.05x = 20,814,020,900.58
  5. Step 5: Solve for x
    x = 20,814,020,900.58/166,867.05
  6. Step 6: Final answer
    x = 124,734.16

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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.