Home / 102,834.65-154,268.18-43,670.63

Finding the Fourth Proportional to 102,834.65, 154,268.18 and 43,670.63

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Solution

The fourth proportional to 102,834.65, 154,268.18 and 43,670.63 is: 65,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,834.65 : 154,268.18 = 43,670.63 : x
  2. Step 2: Convert to fraction form
    102,834.65/154,268.18 = 43,670.63/x
  3. Step 3: Cross multiply
    102,834.65x = 154,268.18 × 43,670.63
  4. Step 4: Simplify right side
    102,834.65x = 6,736,987,619.86
  5. Step 5: Solve for x
    x = 6,736,987,619.86/102,834.65
  6. Step 6: Final answer
    x = 65,512.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.