Home / 144,219.36-216,329.12-50,703.68

Finding the Fourth Proportional to 144,219.36, 216,329.12 and 50,703.68

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Solution

The fourth proportional to 144,219.36, 216,329.12 and 50,703.68 is: 76,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,219.36 : 216,329.12 = 50,703.68 : x
  2. Step 2: Convert to fraction form
    144,219.36/216,329.12 = 50,703.68/x
  3. Step 3: Cross multiply
    144,219.36x = 216,329.12 × 50,703.68
  4. Step 4: Simplify right side
    144,219.36x = 10,968,682,475.16
  5. Step 5: Solve for x
    x = 10,968,682,475.16/144,219.36
  6. Step 6: Final answer
    x = 76,055.55

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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.