Home / 152,221.60-228,332.40-82,237.60

Finding the Fourth Proportional to 152,221.60, 228,332.40 and 82,237.60

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Solution

The fourth proportional to 152,221.60, 228,332.40 and 82,237.60 is: 123,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.60 : 228,332.40 = 82,237.60 : x
  2. Step 2: Convert to fraction form
    152,221.60/228,332.40 = 82,237.60/x
  3. Step 3: Cross multiply
    152,221.60x = 228,332.40 × 82,237.60
  4. Step 4: Simplify right side
    152,221.60x = 18,777,508,578.24
  5. Step 5: Solve for x
    x = 18,777,508,578.24/152,221.60
  6. Step 6: Final answer
    x = 123,356.40

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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.