Home / 105,734.70-145,903.68-63,292.32

Finding the Fourth Proportional to 105,734.70, 145,903.68 and 63,292.32

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Solution

The fourth proportional to 105,734.70, 145,903.68 and 63,292.32 is: 87,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,734.70 : 145,903.68 = 63,292.32 : x
  2. Step 2: Convert to fraction form
    105,734.70/145,903.68 = 63,292.32/x
  3. Step 3: Cross multiply
    105,734.70x = 145,903.68 × 63,292.32
  4. Step 4: Simplify right side
    105,734.70x = 9,234,582,403.74
  5. Step 5: Solve for x
    x = 9,234,582,403.74/105,734.70
  6. Step 6: Final answer
    x = 87,337.29

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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.