Home / 110,428.80-165,643.20-40,335.46

Finding the Fourth Proportional to 110,428.80, 165,643.20 and 40,335.46

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Solution

The fourth proportional to 110,428.80, 165,643.20 and 40,335.46 is: 60,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,428.80 : 165,643.20 = 40,335.46 : x
  2. Step 2: Convert to fraction form
    110,428.80/165,643.20 = 40,335.46/x
  3. Step 3: Cross multiply
    110,428.80x = 165,643.20 × 40,335.46
  4. Step 4: Simplify right side
    110,428.80x = 6,681,294,667.87
  5. Step 5: Solve for x
    x = 6,681,294,667.87/110,428.80
  6. Step 6: Final answer
    x = 60,503.19

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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.