Home / 155,893.48-215,116.93-115,079.33

Finding the Fourth Proportional to 155,893.48, 215,116.93 and 115,079.33

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Solution

The fourth proportional to 155,893.48, 215,116.93 and 115,079.33 is: 158,797.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,893.48 : 215,116.93 = 115,079.33 : x
  2. Step 2: Convert to fraction form
    155,893.48/215,116.93 = 115,079.33/x
  3. Step 3: Cross multiply
    155,893.48x = 215,116.93 × 115,079.33
  4. Step 4: Simplify right side
    155,893.48x = 24,755,512,857.70
  5. Step 5: Solve for x
    x = 24,755,512,857.70/155,893.48
  6. Step 6: Final answer
    x = 158,797.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.