Home / 144,074.07-216,007.83-68,130.54

Finding the Fourth Proportional to 144,074.07, 216,007.83 and 68,130.54

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Solution

The fourth proportional to 144,074.07, 216,007.83 and 68,130.54 is: 102,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,074.07 : 216,007.83 = 68,130.54 : x
  2. Step 2: Convert to fraction form
    144,074.07/216,007.83 = 68,130.54/x
  3. Step 3: Cross multiply
    144,074.07x = 216,007.83 × 68,130.54
  4. Step 4: Simplify right side
    144,074.07x = 14,716,730,102.13
  5. Step 5: Solve for x
    x = 14,716,730,102.13/144,074.07
  6. Step 6: Final answer
    x = 102,146.97

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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.