Home / 131,848.40-197,715-38,352.08

Finding the Fourth Proportional to 131,848.40, 197,715 and 38,352.08

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Solution

The fourth proportional to 131,848.40, 197,715 and 38,352.08 is: 57,511.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,848.40 : 197,715 = 38,352.08 : x
  2. Step 2: Convert to fraction form
    131,848.40/197,715 = 38,352.08/x
  3. Step 3: Cross multiply
    131,848.40x = 197,715 × 38,352.08
  4. Step 4: Simplify right side
    131,848.40x = 7,582,781,497.20
  5. Step 5: Solve for x
    x = 7,582,781,497.20/131,848.40
  6. Step 6: Final answer
    x = 57,511.37

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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.