Home / 144,638.10-216,957.15-39,456.90

Finding the Fourth Proportional to 144,638.10, 216,957.15 and 39,456.90

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Solution

The fourth proportional to 144,638.10, 216,957.15 and 39,456.90 is: 59,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,638.10 : 216,957.15 = 39,456.90 : x
  2. Step 2: Convert to fraction form
    144,638.10/216,957.15 = 39,456.90/x
  3. Step 3: Cross multiply
    144,638.10x = 216,957.15 × 39,456.90
  4. Step 4: Simplify right side
    144,638.10x = 8,560,456,571.84
  5. Step 5: Solve for x
    x = 8,560,456,571.84/144,638.10
  6. Step 6: Final answer
    x = 59,185.35

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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.