Home / 130,375.86-179,918.76-70,759.86

Finding the Fourth Proportional to 130,375.86, 179,918.76 and 70,759.86

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Solution

The fourth proportional to 130,375.86, 179,918.76 and 70,759.86 is: 97,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,375.86 : 179,918.76 = 70,759.86 : x
  2. Step 2: Convert to fraction form
    130,375.86/179,918.76 = 70,759.86/x
  3. Step 3: Cross multiply
    130,375.86x = 179,918.76 × 70,759.86
  4. Step 4: Simplify right side
    130,375.86x = 12,731,026,268.97
  5. Step 5: Solve for x
    x = 12,731,026,268.97/130,375.86
  6. Step 6: Final answer
    x = 97,648.65

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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.