Home / 285,176.16-427,616.82-125,186.58

Finding the Fourth Proportional to 285,176.16, 427,616.82 and 125,186.58

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Solution

The fourth proportional to 285,176.16, 427,616.82 and 125,186.58 is: 187,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,176.16 : 427,616.82 = 125,186.58 : x
  2. Step 2: Convert to fraction form
    285,176.16/427,616.82 = 125,186.58/x
  3. Step 3: Cross multiply
    285,176.16x = 427,616.82 × 125,186.58
  4. Step 4: Simplify right side
    285,176.16x = 53,531,887,246.28
  5. Step 5: Solve for x
    x = 53,531,887,246.28/285,176.16
  6. Step 6: Final answer
    x = 187,715.16

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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.