Home / 105,733.22-145,913.85-57,983.70

Finding the Fourth Proportional to 105,733.22, 145,913.85 and 57,983.70

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Solution

The fourth proportional to 105,733.22, 145,913.85 and 57,983.70 is: 80,018.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,733.22 : 145,913.85 = 57,983.70 : x
  2. Step 2: Convert to fraction form
    105,733.22/145,913.85 = 57,983.70/x
  3. Step 3: Cross multiply
    105,733.22x = 145,913.85 × 57,983.70
  4. Step 4: Simplify right side
    105,733.22x = 8,460,624,904.25
  5. Step 5: Solve for x
    x = 8,460,624,904.25/105,733.22
  6. Step 6: Final answer
    x = 80,018.61

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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.