Home / 105,301.87-145,316.55-59,984.05

Finding the Fourth Proportional to 105,301.87, 145,316.55 and 59,984.05

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Solution

The fourth proportional to 105,301.87, 145,316.55 and 59,984.05 is: 82,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,301.87 : 145,316.55 = 59,984.05 : x
  2. Step 2: Convert to fraction form
    105,301.87/145,316.55 = 59,984.05/x
  3. Step 3: Cross multiply
    105,301.87x = 145,316.55 × 59,984.05
  4. Step 4: Simplify right side
    105,301.87x = 8,716,675,201.03
  5. Step 5: Solve for x
    x = 8,716,675,201.03/105,301.87
  6. Step 6: Final answer
    x = 82,777.97

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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.