Home / 144,355.15-216,110.49-84,199.69

Finding the Fourth Proportional to 144,355.15, 216,110.49 and 84,199.69

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Solution

The fourth proportional to 144,355.15, 216,110.49 and 84,199.69 is: 126,053.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,355.15 : 216,110.49 = 84,199.69 : x
  2. Step 2: Convert to fraction form
    144,355.15/216,110.49 = 84,199.69/x
  3. Step 3: Cross multiply
    144,355.15x = 216,110.49 × 84,199.69
  4. Step 4: Simplify right side
    144,355.15x = 18,196,436,263.75
  5. Step 5: Solve for x
    x = 18,196,436,263.75/144,355.15
  6. Step 6: Final answer
    x = 126,053.25

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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.