Home / 140,201.93-210,291.03-45,430.10

Finding the Fourth Proportional to 140,201.93, 210,291.03 and 45,430.10

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Solution

The fourth proportional to 140,201.93, 210,291.03 and 45,430.10 is: 68,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,201.93 : 210,291.03 = 45,430.10 : x
  2. Step 2: Convert to fraction form
    140,201.93/210,291.03 = 45,430.10/x
  3. Step 3: Cross multiply
    140,201.93x = 210,291.03 × 45,430.10
  4. Step 4: Simplify right side
    140,201.93x = 9,553,541,470.55
  5. Step 5: Solve for x
    x = 9,553,541,470.55/140,201.93
  6. Step 6: Final answer
    x = 68,141.30

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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.