Home / 136,370.61-204,588.59-42,876.36

Finding the Fourth Proportional to 136,370.61, 204,588.59 and 42,876.36

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Solution

The fourth proportional to 136,370.61, 204,588.59 and 42,876.36 is: 64,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,370.61 : 204,588.59 = 42,876.36 : x
  2. Step 2: Convert to fraction form
    136,370.61/204,588.59 = 42,876.36/x
  3. Step 3: Cross multiply
    136,370.61x = 204,588.59 × 42,876.36
  4. Step 4: Simplify right side
    136,370.61x = 8,772,013,822.35
  5. Step 5: Solve for x
    x = 8,772,013,822.35/136,370.61
  6. Step 6: Final answer
    x = 64,324.81

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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.