Home / 152,038.10-228,057.15-145,817.30

Finding the Fourth Proportional to 152,038.10, 228,057.15 and 145,817.30

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Solution

The fourth proportional to 152,038.10, 228,057.15 and 145,817.30 is: 218,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,038.10 : 228,057.15 = 145,817.30 : x
  2. Step 2: Convert to fraction form
    152,038.10/228,057.15 = 145,817.30/x
  3. Step 3: Cross multiply
    152,038.10x = 228,057.15 × 145,817.30
  4. Step 4: Simplify right side
    152,038.10x = 33,254,677,858.70
  5. Step 5: Solve for x
    x = 33,254,677,858.70/152,038.10
  6. Step 6: Final answer
    x = 218,725.95

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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.