Home / 135,003.80-202,376.10-105,001.40

Finding the Fourth Proportional to 135,003.80, 202,376.10 and 105,001.40

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Solution

The fourth proportional to 135,003.80, 202,376.10 and 105,001.40 is: 157,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,003.80 : 202,376.10 = 105,001.40 : x
  2. Step 2: Convert to fraction form
    135,003.80/202,376.10 = 105,001.40/x
  3. Step 3: Cross multiply
    135,003.80x = 202,376.10 × 105,001.40
  4. Step 4: Simplify right side
    135,003.80x = 21,249,773,826.54
  5. Step 5: Solve for x
    x = 21,249,773,826.54/135,003.80
  6. Step 6: Final answer
    x = 157,401.30

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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.