Home / 105,983.40-146,256.84-60,661.56

Finding the Fourth Proportional to 105,983.40, 146,256.84 and 60,661.56

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Solution

The fourth proportional to 105,983.40, 146,256.84 and 60,661.56 is: 83,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,983.40 : 146,256.84 = 60,661.56 : x
  2. Step 2: Convert to fraction form
    105,983.40/146,256.84 = 60,661.56/x
  3. Step 3: Cross multiply
    105,983.40x = 146,256.84 × 60,661.56
  4. Step 4: Simplify right side
    105,983.40x = 8,872,168,075.07
  5. Step 5: Solve for x
    x = 8,872,168,075.07/105,983.40
  6. Step 6: Final answer
    x = 83,712.81

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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.