Home / 136,420.29-204,507.32-57,539.25

Finding the Fourth Proportional to 136,420.29, 204,507.32 and 57,539.25

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Solution

The fourth proportional to 136,420.29, 204,507.32 and 57,539.25 is: 86,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,420.29 : 204,507.32 = 57,539.25 : x
  2. Step 2: Convert to fraction form
    136,420.29/204,507.32 = 57,539.25/x
  3. Step 3: Cross multiply
    136,420.29x = 204,507.32 × 57,539.25
  4. Step 4: Simplify right side
    136,420.29x = 11,767,197,524.61
  5. Step 5: Solve for x
    x = 11,767,197,524.61/136,420.29
  6. Step 6: Final answer
    x = 86,256.95

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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.