Home / 103,623.65-155,176.27-82,887.65

Finding the Fourth Proportional to 103,623.65, 155,176.27 and 82,887.65

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Solution

The fourth proportional to 103,623.65, 155,176.27 and 82,887.65 is: 124,124.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,623.65 : 155,176.27 = 82,887.65 : x
  2. Step 2: Convert to fraction form
    103,623.65/155,176.27 = 82,887.65/x
  3. Step 3: Cross multiply
    103,623.65x = 155,176.27 × 82,887.65
  4. Step 4: Simplify right side
    103,623.65x = 12,862,196,356.07
  5. Step 5: Solve for x
    x = 12,862,196,356.07/103,623.65
  6. Step 6: Final answer
    x = 124,124.14

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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.