Home / 166,772.32-230,145.85-90,291.40

Finding the Fourth Proportional to 166,772.32, 230,145.85 and 90,291.40

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Solution

The fourth proportional to 166,772.32, 230,145.85 and 90,291.40 is: 124,602.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,772.32 : 230,145.85 = 90,291.40 : x
  2. Step 2: Convert to fraction form
    166,772.32/230,145.85 = 90,291.40/x
  3. Step 3: Cross multiply
    166,772.32x = 230,145.85 × 90,291.40
  4. Step 4: Simplify right side
    166,772.32x = 20,780,191,000.69
  5. Step 5: Solve for x
    x = 20,780,191,000.69/166,772.32
  6. Step 6: Final answer
    x = 124,602.16

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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.