Home / 131,809.54-197,734.12-38,303.14

Finding the Fourth Proportional to 131,809.54, 197,734.12 and 38,303.14

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Solution

The fourth proportional to 131,809.54, 197,734.12 and 38,303.14 is: 57,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,809.54 : 197,734.12 = 38,303.14 : x
  2. Step 2: Convert to fraction form
    131,809.54/197,734.12 = 38,303.14/x
  3. Step 3: Cross multiply
    131,809.54x = 197,734.12 × 38,303.14
  4. Step 4: Simplify right side
    131,809.54x = 7,573,837,681.14
  5. Step 5: Solve for x
    x = 7,573,837,681.14/131,809.54
  6. Step 6: Final answer
    x = 57,460.47

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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.