Home / 155,897.86-215,088.06-95,405.44

Finding the Fourth Proportional to 155,897.86, 215,088.06 and 95,405.44

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Solution

The fourth proportional to 155,897.86, 215,088.06 and 95,405.44 is: 131,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,897.86 : 215,088.06 = 95,405.44 : x
  2. Step 2: Convert to fraction form
    155,897.86/215,088.06 = 95,405.44/x
  3. Step 3: Cross multiply
    155,897.86x = 215,088.06 × 95,405.44
  4. Step 4: Simplify right side
    155,897.86x = 20,520,571,003.05
  5. Step 5: Solve for x
    x = 20,520,571,003.05/155,897.86
  6. Step 6: Final answer
    x = 131,628.30

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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.