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Finding the Fourth Proportional to 141,293.92, 211,894.08 and 57,032.32

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Solution

The fourth proportional to 141,293.92, 211,894.08 and 57,032.32 is: 85,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,293.92 : 211,894.08 = 57,032.32 : x
  2. Step 2: Convert to fraction form
    141,293.92/211,894.08 = 57,032.32/x
  3. Step 3: Cross multiply
    141,293.92x = 211,894.08 × 57,032.32
  4. Step 4: Simplify right side
    141,293.92x = 12,084,810,976.67
  5. Step 5: Solve for x
    x = 12,084,810,976.67/141,293.92
  6. Step 6: Final answer
    x = 85,529.59

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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.