Home / 105,320.36-145,343.07-59,997.68

Finding the Fourth Proportional to 105,320.36, 145,343.07 and 59,997.68

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Solution

The fourth proportional to 105,320.36, 145,343.07 and 59,997.68 is: 82,797.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,320.36 : 145,343.07 = 59,997.68 : x
  2. Step 2: Convert to fraction form
    105,320.36/145,343.07 = 59,997.68/x
  3. Step 3: Cross multiply
    105,320.36x = 145,343.07 × 59,997.68
  4. Step 4: Simplify right side
    105,320.36x = 8,720,246,202.37
  5. Step 5: Solve for x
    x = 8,720,246,202.37/105,320.36
  6. Step 6: Final answer
    x = 82,797.34

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1.5x scale

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.