Home / 131,815.15-197,681.81-47,564.37

Finding the Fourth Proportional to 131,815.15, 197,681.81 and 47,564.37

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Solution

The fourth proportional to 131,815.15, 197,681.81 and 47,564.37 is: 71,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,815.15 : 197,681.81 = 47,564.37 : x
  2. Step 2: Convert to fraction form
    131,815.15/197,681.81 = 47,564.37/x
  3. Step 3: Cross multiply
    131,815.15x = 197,681.81 × 47,564.37
  4. Step 4: Simplify right side
    131,815.15x = 9,402,610,753.11
  5. Step 5: Solve for x
    x = 9,402,610,753.11/131,815.15
  6. Step 6: Final answer
    x = 71,331.79

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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.