Home / 136,034.63-204,055.59-42,540.38

Finding the Fourth Proportional to 136,034.63, 204,055.59 and 42,540.38

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Solution

The fourth proportional to 136,034.63, 204,055.59 and 42,540.38 is: 63,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,034.63 : 204,055.59 = 42,540.38 : x
  2. Step 2: Convert to fraction form
    136,034.63/204,055.59 = 42,540.38/x
  3. Step 3: Cross multiply
    136,034.63x = 204,055.59 × 42,540.38
  4. Step 4: Simplify right side
    136,034.63x = 8,680,601,319.45
  5. Step 5: Solve for x
    x = 8,680,601,319.45/136,034.63
  6. Step 6: Final answer
    x = 63,811.70

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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.