Home / 144,890.20-217,382.64-70,018.96

Finding the Fourth Proportional to 144,890.20, 217,382.64 and 70,018.96

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Solution

The fourth proportional to 144,890.20, 217,382.64 and 70,018.96 is: 105,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,890.20 : 217,382.64 = 70,018.96 : x
  2. Step 2: Convert to fraction form
    144,890.20/217,382.64 = 70,018.96/x
  3. Step 3: Cross multiply
    144,890.20x = 217,382.64 × 70,018.96
  4. Step 4: Simplify right side
    144,890.20x = 15,220,906,374.85
  5. Step 5: Solve for x
    x = 15,220,906,374.85/144,890.20
  6. Step 6: Final answer
    x = 105,051.32

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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.