Home / 166,987.72-230,445.86-90,509.24

Finding the Fourth Proportional to 166,987.72, 230,445.86 and 90,509.24

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Solution

The fourth proportional to 166,987.72, 230,445.86 and 90,509.24 is: 124,904.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,987.72 : 230,445.86 = 90,509.24 : x
  2. Step 2: Convert to fraction form
    166,987.72/230,445.86 = 90,509.24/x
  3. Step 3: Cross multiply
    166,987.72x = 230,445.86 × 90,509.24
  4. Step 4: Simplify right side
    166,987.72x = 20,857,479,649.75
  5. Step 5: Solve for x
    x = 20,857,479,649.75/166,987.72
  6. Step 6: Final answer
    x = 124,904.27

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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.