Home / 140,488.39-210,734.57-45,719.07

Finding the Fourth Proportional to 140,488.39, 210,734.57 and 45,719.07

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Solution

The fourth proportional to 140,488.39, 210,734.57 and 45,719.07 is: 68,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,488.39 : 210,734.57 = 45,719.07 : x
  2. Step 2: Convert to fraction form
    140,488.39/210,734.57 = 45,719.07/x
  3. Step 3: Cross multiply
    140,488.39x = 210,734.57 × 45,719.07
  4. Step 4: Simplify right side
    140,488.39x = 9,634,588,557.25
  5. Step 5: Solve for x
    x = 9,634,588,557.25/140,488.39
  6. Step 6: Final answer
    x = 68,579.25

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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.