Home / 131,814.90-197,681.44-47,564.12

Finding the Fourth Proportional to 131,814.90, 197,681.44 and 47,564.12

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Solution

The fourth proportional to 131,814.90, 197,681.44 and 47,564.12 is: 71,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,814.90 : 197,681.44 = 47,564.12 : x
  2. Step 2: Convert to fraction form
    131,814.90/197,681.44 = 47,564.12/x
  3. Step 3: Cross multiply
    131,814.90x = 197,681.44 × 47,564.12
  4. Step 4: Simplify right side
    131,814.90x = 9,402,543,733.93
  5. Step 5: Solve for x
    x = 9,402,543,733.93/131,814.90
  6. Step 6: Final answer
    x = 71,331.42

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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.