Home / 105,342.48-145,372.68-57,596.22

Finding the Fourth Proportional to 105,342.48, 145,372.68 and 57,596.22

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Solution

The fourth proportional to 105,342.48, 145,372.68 and 57,596.22 is: 79,482.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,342.48 : 145,372.68 = 57,596.22 : x
  2. Step 2: Convert to fraction form
    105,342.48/145,372.68 = 57,596.22/x
  3. Step 3: Cross multiply
    105,342.48x = 145,372.68 × 57,596.22
  4. Step 4: Simplify right side
    105,342.48x = 8,372,916,859.27
  5. Step 5: Solve for x
    x = 8,372,916,859.27/105,342.48
  6. Step 6: Final answer
    x = 79,482.82

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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.