Home / 152,238.90-228,563.55-89,123.70

Finding the Fourth Proportional to 152,238.90, 228,563.55 and 89,123.70

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Solution

The fourth proportional to 152,238.90, 228,563.55 and 89,123.70 is: 133,805.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,238.90 : 228,563.55 = 89,123.70 : x
  2. Step 2: Convert to fraction form
    152,238.90/228,563.55 = 89,123.70/x
  3. Step 3: Cross multiply
    152,238.90x = 228,563.55 × 89,123.70
  4. Step 4: Simplify right side
    152,238.90x = 20,370,429,261.14
  5. Step 5: Solve for x
    x = 20,370,429,261.14/152,238.90
  6. Step 6: Final answer
    x = 133,805.68

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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.