Home / 131,814.65-197,681.06-47,563.88

Finding the Fourth Proportional to 131,814.65, 197,681.06 and 47,563.88

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Solution

The fourth proportional to 131,814.65, 197,681.06 and 47,563.88 is: 71,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,814.65 : 197,681.06 = 47,563.88 : x
  2. Step 2: Convert to fraction form
    131,814.65/197,681.06 = 47,563.88/x
  3. Step 3: Cross multiply
    131,814.65x = 197,681.06 × 47,563.88
  4. Step 4: Simplify right side
    131,814.65x = 9,402,476,989.89
  5. Step 5: Solve for x
    x = 9,402,476,989.89/131,814.65
  6. Step 6: Final answer
    x = 71,331.05

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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.