Home / 176,666.40-264,910.91-81,815.00

Finding the Fourth Proportional to 176,666.40, 264,910.91 and 81,815.00

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Solution

The fourth proportional to 176,666.40, 264,910.91 and 81,815.00 is: 122,681.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,666.40 : 264,910.91 = 81,815.00 : x
  2. Step 2: Convert to fraction form
    176,666.40/264,910.91 = 81,815.00/x
  3. Step 3: Cross multiply
    176,666.40x = 264,910.91 × 81,815.00
  4. Step 4: Simplify right side
    176,666.40x = 21,673,684,368.02
  5. Step 5: Solve for x
    x = 21,673,684,368.02/176,666.40
  6. Step 6: Final answer
    x = 122,681.42

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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.