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Finding the Fourth Proportional to 144,897.15, 217,192.32 and 48,742.83

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Solution

The fourth proportional to 144,897.15, 217,192.32 and 48,742.83 is: 73,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,897.15 : 217,192.32 = 48,742.83 : x
  2. Step 2: Convert to fraction form
    144,897.15/217,192.32 = 48,742.83/x
  3. Step 3: Cross multiply
    144,897.15x = 217,192.32 × 48,742.83
  4. Step 4: Simplify right side
    144,897.15x = 10,586,568,331.07
  5. Step 5: Solve for x
    x = 10,586,568,331.07/144,897.15
  6. Step 6: Final answer
    x = 73,062.64

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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.