Home / 152,238.40-228,562.80-89,123.20

Finding the Fourth Proportional to 152,238.40, 228,562.80 and 89,123.20

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Solution

The fourth proportional to 152,238.40, 228,562.80 and 89,123.20 is: 133,804.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,238.40 : 228,562.80 = 89,123.20 : x
  2. Step 2: Convert to fraction form
    152,238.40/228,562.80 = 89,123.20/x
  3. Step 3: Cross multiply
    152,238.40x = 228,562.80 × 89,123.20
  4. Step 4: Simplify right side
    152,238.40x = 20,370,248,136.96
  5. Step 5: Solve for x
    x = 20,370,248,136.96/152,238.40
  6. Step 6: Final answer
    x = 133,804.93

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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.