Home / 130,064.09-179,435.32-103,098.38

Finding the Fourth Proportional to 130,064.09, 179,435.32 and 103,098.38

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Solution

The fourth proportional to 130,064.09, 179,435.32 and 103,098.38 is: 142,233.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,064.09 : 179,435.32 = 103,098.38 : x
  2. Step 2: Convert to fraction form
    130,064.09/179,435.32 = 103,098.38/x
  3. Step 3: Cross multiply
    130,064.09x = 179,435.32 × 103,098.38
  4. Step 4: Simplify right side
    130,064.09x = 18,499,489,651.86
  5. Step 5: Solve for x
    x = 18,499,489,651.86/130,064.09
  6. Step 6: Final answer
    x = 142,233.65

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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.