Home / 152,514.30-228,771.45-122,989.80

Finding the Fourth Proportional to 152,514.30, 228,771.45 and 122,989.80

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Solution

The fourth proportional to 152,514.30, 228,771.45 and 122,989.80 is: 184,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,514.30 : 228,771.45 = 122,989.80 : x
  2. Step 2: Convert to fraction form
    152,514.30/228,771.45 = 122,989.80/x
  3. Step 3: Cross multiply
    152,514.30x = 228,771.45 × 122,989.80
  4. Step 4: Simplify right side
    152,514.30x = 28,136,554,881.21
  5. Step 5: Solve for x
    x = 28,136,554,881.21/152,514.30
  6. Step 6: Final answer
    x = 184,484.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.