Home / 131,814.72-197,681.20-47,563.98

Finding the Fourth Proportional to 131,814.72, 197,681.20 and 47,563.98

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Solution

The fourth proportional to 131,814.72, 197,681.20 and 47,563.98 is: 71,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,814.72 : 197,681.20 = 47,563.98 : x
  2. Step 2: Convert to fraction form
    131,814.72/197,681.20 = 47,563.98/x
  3. Step 3: Cross multiply
    131,814.72x = 197,681.20 × 47,563.98
  4. Step 4: Simplify right side
    131,814.72x = 9,402,504,643.18
  5. Step 5: Solve for x
    x = 9,402,504,643.18/131,814.72
  6. Step 6: Final answer
    x = 71,331.22

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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.