Home / 137,258.32-205,926.72-43,771.36

Finding the Fourth Proportional to 137,258.32, 205,926.72 and 43,771.36

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Solution

The fourth proportional to 137,258.32, 205,926.72 and 43,771.36 is: 65,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,258.32 : 205,926.72 = 43,771.36 : x
  2. Step 2: Convert to fraction form
    137,258.32/205,926.72 = 43,771.36/x
  3. Step 3: Cross multiply
    137,258.32x = 205,926.72 × 43,771.36
  4. Step 4: Simplify right side
    137,258.32x = 9,013,692,594.74
  5. Step 5: Solve for x
    x = 9,013,692,594.74/137,258.32
  6. Step 6: Final answer
    x = 65,669.55

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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.