Home / 144,186.84-216,285.12-39,006.72

Finding the Fourth Proportional to 144,186.84, 216,285.12 and 39,006.72

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Solution

The fourth proportional to 144,186.84, 216,285.12 and 39,006.72 is: 58,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,186.84 : 216,285.12 = 39,006.72 : x
  2. Step 2: Convert to fraction form
    144,186.84/216,285.12 = 39,006.72/x
  3. Step 3: Cross multiply
    144,186.84x = 216,285.12 × 39,006.72
  4. Step 4: Simplify right side
    144,186.84x = 8,436,573,116.01
  5. Step 5: Solve for x
    x = 8,436,573,116.01/144,186.84
  6. Step 6: Final answer
    x = 58,511.39

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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.