Home / 105,713.24-145,883.16-57,966.48

Finding the Fourth Proportional to 105,713.24, 145,883.16 and 57,966.48

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Solution

The fourth proportional to 105,713.24, 145,883.16 and 57,966.48 is: 79,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,713.24 : 145,883.16 = 57,966.48 : x
  2. Step 2: Convert to fraction form
    105,713.24/145,883.16 = 57,966.48/x
  3. Step 3: Cross multiply
    105,713.24x = 145,883.16 × 57,966.48
  4. Step 4: Simplify right side
    105,713.24x = 8,456,333,276.48
  5. Step 5: Solve for x
    x = 8,456,333,276.48/105,713.24
  6. Step 6: Final answer
    x = 79,993.13

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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.