Home / 140,214.60-210,277.77-45,422.79

Finding the Fourth Proportional to 140,214.60, 210,277.77 and 45,422.79

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Solution

The fourth proportional to 140,214.60, 210,277.77 and 45,422.79 is: 68,119.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.60 : 210,277.77 = 45,422.79 : x
  2. Step 2: Convert to fraction form
    140,214.60/210,277.77 = 45,422.79/x
  3. Step 3: Cross multiply
    140,214.60x = 210,277.77 × 45,422.79
  4. Step 4: Simplify right side
    140,214.60x = 9,551,402,988.38
  5. Step 5: Solve for x
    x = 9,551,402,988.38/140,214.60
  6. Step 6: Final answer
    x = 68,119.89

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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.