Home / 228,495.42-342,825.21-102,125.16

Finding the Fourth Proportional to 228,495.42, 342,825.21 and 102,125.16

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Solution

The fourth proportional to 228,495.42, 342,825.21 and 102,125.16 is: 153,224.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,495.42 : 342,825.21 = 102,125.16 : x
  2. Step 2: Convert to fraction form
    228,495.42/342,825.21 = 102,125.16/x
  3. Step 3: Cross multiply
    228,495.42x = 342,825.21 × 102,125.16
  4. Step 4: Simplify right side
    228,495.42x = 35,011,079,423.28
  5. Step 5: Solve for x
    x = 35,011,079,423.28/228,495.42
  6. Step 6: Final answer
    x = 153,224.43

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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.