Home / 144,511.45-216,763.10-39,331.33

Finding the Fourth Proportional to 144,511.45, 216,763.10 and 39,331.33

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Solution

The fourth proportional to 144,511.45, 216,763.10 and 39,331.33 is: 58,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,511.45 : 216,763.10 = 39,331.33 : x
  2. Step 2: Convert to fraction form
    144,511.45/216,763.10 = 39,331.33/x
  3. Step 3: Cross multiply
    144,511.45x = 216,763.10 × 39,331.33
  4. Step 4: Simplify right side
    144,511.45x = 8,525,581,017.92
  5. Step 5: Solve for x
    x = 8,525,581,017.92/144,511.45
  6. Step 6: Final answer
    x = 58,995.89

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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.