Home / 105,497.37-145,587.97-57,755.16

Finding the Fourth Proportional to 105,497.37, 145,587.97 and 57,755.16

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Solution

The fourth proportional to 105,497.37, 145,587.97 and 57,755.16 is: 79,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,497.37 : 145,587.97 = 57,755.16 : x
  2. Step 2: Convert to fraction form
    105,497.37/145,587.97 = 57,755.16/x
  3. Step 3: Cross multiply
    105,497.37x = 145,587.97 × 57,755.16
  4. Step 4: Simplify right side
    105,497.37x = 8,408,456,501.43
  5. Step 5: Solve for x
    x = 8,408,456,501.43/105,497.37
  6. Step 6: Final answer
    x = 79,703.00

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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.