Home / 136,112.48-204,168.68-42,625.52

Finding the Fourth Proportional to 136,112.48, 204,168.68 and 42,625.52

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Solution

The fourth proportional to 136,112.48, 204,168.68 and 42,625.52 is: 63,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,112.48 : 204,168.68 = 42,625.52 : x
  2. Step 2: Convert to fraction form
    136,112.48/204,168.68 = 42,625.52/x
  3. Step 3: Cross multiply
    136,112.48x = 204,168.68 × 42,625.52
  4. Step 4: Simplify right side
    136,112.48x = 8,702,796,152.71
  5. Step 5: Solve for x
    x = 8,702,796,152.71/136,112.48
  6. Step 6: Final answer
    x = 63,938.27

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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.