Home / 266,131.14-399,080.06-99,802.50

Finding the Fourth Proportional to 266,131.14, 399,080.06 and 99,802.50

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Solution

The fourth proportional to 266,131.14, 399,080.06 and 99,802.50 is: 149,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,131.14 : 399,080.06 = 99,802.50 : x
  2. Step 2: Convert to fraction form
    266,131.14/399,080.06 = 99,802.50/x
  3. Step 3: Cross multiply
    266,131.14x = 399,080.06 × 99,802.50
  4. Step 4: Simplify right side
    266,131.14x = 39,829,187,688.15
  5. Step 5: Solve for x
    x = 39,829,187,688.15/266,131.14
  6. Step 6: Final answer
    x = 149,660.00

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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.