Home / 103,660.16-155,287.13-53,773.07

Finding the Fourth Proportional to 103,660.16, 155,287.13 and 53,773.07

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Solution

The fourth proportional to 103,660.16, 155,287.13 and 53,773.07 is: 80,554.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.16 : 155,287.13 = 53,773.07 : x
  2. Step 2: Convert to fraction form
    103,660.16/155,287.13 = 53,773.07/x
  3. Step 3: Cross multiply
    103,660.16x = 155,287.13 × 53,773.07
  4. Step 4: Simplify right side
    103,660.16x = 8,350,264,666.29
  5. Step 5: Solve for x
    x = 8,350,264,666.29/103,660.16
  6. Step 6: Final answer
    x = 80,554.24

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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.