Home / 102,613.20-153,936-43,449.24

Finding the Fourth Proportional to 102,613.20, 153,936 and 43,449.24

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Solution

The fourth proportional to 102,613.20, 153,936 and 43,449.24 is: 65,180.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,613.20 : 153,936 = 43,449.24 : x
  2. Step 2: Convert to fraction form
    102,613.20/153,936 = 43,449.24/x
  3. Step 3: Cross multiply
    102,613.20x = 153,936 × 43,449.24
  4. Step 4: Simplify right side
    102,613.20x = 6,688,402,208.64
  5. Step 5: Solve for x
    x = 6,688,402,208.64/102,613.20
  6. Step 6: Final answer
    x = 65,180.72

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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.