Home / 152,235.40-228,558.30-89,120.20

Finding the Fourth Proportional to 152,235.40, 228,558.30 and 89,120.20

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Solution

The fourth proportional to 152,235.40, 228,558.30 and 89,120.20 is: 133,800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,235.40 : 228,558.30 = 89,120.20 : x
  2. Step 2: Convert to fraction form
    152,235.40/228,558.30 = 89,120.20/x
  3. Step 3: Cross multiply
    152,235.40x = 228,558.30 × 89,120.20
  4. Step 4: Simplify right side
    152,235.40x = 20,369,161,407.66
  5. Step 5: Solve for x
    x = 20,369,161,407.66/152,235.40
  6. Step 6: Final answer
    x = 133,800.43

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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.