Home / 137,016.32-205,384.34-69,423.14

Finding the Fourth Proportional to 137,016.32, 205,384.34 and 69,423.14

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Solution

The fourth proportional to 137,016.32, 205,384.34 and 69,423.14 is: 104,063.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,016.32 : 205,384.34 = 69,423.14 : x
  2. Step 2: Convert to fraction form
    137,016.32/205,384.34 = 69,423.14/x
  3. Step 3: Cross multiply
    137,016.32x = 205,384.34 × 69,423.14
  4. Step 4: Simplify right side
    137,016.32x = 14,258,425,789.63
  5. Step 5: Solve for x
    x = 14,258,425,789.63/137,016.32
  6. Step 6: Final answer
    x = 104,063.70

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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.