Home / 155,476.06-214,567.85-87,499.58

Finding the Fourth Proportional to 155,476.06, 214,567.85 and 87,499.58

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Solution

The fourth proportional to 155,476.06, 214,567.85 and 87,499.58 is: 120,755.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,476.06 : 214,567.85 = 87,499.58 : x
  2. Step 2: Convert to fraction form
    155,476.06/214,567.85 = 87,499.58/x
  3. Step 3: Cross multiply
    155,476.06x = 214,567.85 × 87,499.58
  4. Step 4: Simplify right side
    155,476.06x = 18,774,595,902.41
  5. Step 5: Solve for x
    x = 18,774,595,902.41/155,476.06
  6. Step 6: Final answer
    x = 120,755.54

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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.