Home / 105,027.86-157,604.10-98,378.36

Finding the Fourth Proportional to 105,027.86, 157,604.10 and 98,378.36

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Solution

The fourth proportional to 105,027.86, 157,604.10 and 98,378.36 is: 147,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.86 : 157,604.10 = 98,378.36 : x
  2. Step 2: Convert to fraction form
    105,027.86/157,604.10 = 98,378.36/x
  3. Step 3: Cross multiply
    105,027.86x = 157,604.10 × 98,378.36
  4. Step 4: Simplify right side
    105,027.86x = 15,504,832,887.28
  5. Step 5: Solve for x
    x = 15,504,832,887.28/105,027.86
  6. Step 6: Final answer
    x = 147,625.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.