Home / 105,259.46-157,782.80-45,327.02

Finding the Fourth Proportional to 105,259.46, 157,782.80 and 45,327.02

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Solution

The fourth proportional to 105,259.46, 157,782.80 and 45,327.02 is: 67,944.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,259.46 : 157,782.80 = 45,327.02 : x
  2. Step 2: Convert to fraction form
    105,259.46/157,782.80 = 45,327.02/x
  3. Step 3: Cross multiply
    105,259.46x = 157,782.80 × 45,327.02
  4. Step 4: Simplify right side
    105,259.46x = 7,151,823,455.66
  5. Step 5: Solve for x
    x = 7,151,823,455.66/105,259.46
  6. Step 6: Final answer
    x = 67,944.71

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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.