Home / 105,593.23-145,722.29-57,846.57

Finding the Fourth Proportional to 105,593.23, 145,722.29 and 57,846.57

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Solution

The fourth proportional to 105,593.23, 145,722.29 and 57,846.57 is: 79,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,593.23 : 145,722.29 = 57,846.57 : x
  2. Step 2: Convert to fraction form
    105,593.23/145,722.29 = 57,846.57/x
  3. Step 3: Cross multiply
    105,593.23x = 145,722.29 × 57,846.57
  4. Step 4: Simplify right side
    105,593.23x = 8,429,534,649.05
  5. Step 5: Solve for x
    x = 8,429,534,649.05/105,593.23
  6. Step 6: Final answer
    x = 79,830.26

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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.