Home / 136,669.32-205,028.76-61,824.72

Finding the Fourth Proportional to 136,669.32, 205,028.76 and 61,824.72

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Solution

The fourth proportional to 136,669.32, 205,028.76 and 61,824.72 is: 92,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,669.32 : 205,028.76 = 61,824.72 : x
  2. Step 2: Convert to fraction form
    136,669.32/205,028.76 = 61,824.72/x
  3. Step 3: Cross multiply
    136,669.32x = 205,028.76 × 61,824.72
  4. Step 4: Simplify right side
    136,669.32x = 12,675,845,678.95
  5. Step 5: Solve for x
    x = 12,675,845,678.95/136,669.32
  6. Step 6: Final answer
    x = 92,748.29

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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.