Home / 102,693.06-141,711.36-57,362.04

Finding the Fourth Proportional to 102,693.06, 141,711.36 and 57,362.04

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Solution

The fourth proportional to 102,693.06, 141,711.36 and 57,362.04 is: 79,156.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,693.06 : 141,711.36 = 57,362.04 : x
  2. Step 2: Convert to fraction form
    102,693.06/141,711.36 = 57,362.04/x
  3. Step 3: Cross multiply
    102,693.06x = 141,711.36 × 57,362.04
  4. Step 4: Simplify right side
    102,693.06x = 8,128,852,700.77
  5. Step 5: Solve for x
    x = 8,128,852,700.77/102,693.06
  6. Step 6: Final answer
    x = 79,156.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.