Home / 105,887.16-146,124.49-57,489.14

Finding the Fourth Proportional to 105,887.16, 146,124.49 and 57,489.14

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Solution

The fourth proportional to 105,887.16, 146,124.49 and 57,489.14 is: 79,335.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887.16 : 146,124.49 = 57,489.14 : x
  2. Step 2: Convert to fraction form
    105,887.16/146,124.49 = 57,489.14/x
  3. Step 3: Cross multiply
    105,887.16x = 146,124.49 × 57,489.14
  4. Step 4: Simplify right side
    105,887.16x = 8,400,571,263.04
  5. Step 5: Solve for x
    x = 8,400,571,263.04/105,887.16
  6. Step 6: Final answer
    x = 79,335.13

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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.