Home / 105,735.77-145,901.87-60,416.69

Finding the Fourth Proportional to 105,735.77, 145,901.87 and 60,416.69

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Solution

The fourth proportional to 105,735.77, 145,901.87 and 60,416.69 is: 83,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,735.77 : 145,901.87 = 60,416.69 : x
  2. Step 2: Convert to fraction form
    105,735.77/145,901.87 = 60,416.69/x
  3. Step 3: Cross multiply
    105,735.77x = 145,901.87 × 60,416.69
  4. Step 4: Simplify right side
    105,735.77x = 8,814,907,018.62
  5. Step 5: Solve for x
    x = 8,814,907,018.62/105,735.77
  6. Step 6: Final answer
    x = 83,367.32

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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.