Home / 140,530.77-210,743.19-45,736.11

Finding the Fourth Proportional to 140,530.77, 210,743.19 and 45,736.11

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Solution

The fourth proportional to 140,530.77, 210,743.19 and 45,736.11 is: 68,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,530.77 : 210,743.19 = 45,736.11 : x
  2. Step 2: Convert to fraction form
    140,530.77/210,743.19 = 45,736.11/x
  3. Step 3: Cross multiply
    140,530.77x = 210,743.19 × 45,736.11
  4. Step 4: Simplify right side
    140,530.77x = 9,638,573,719.59
  5. Step 5: Solve for x
    x = 9,638,573,719.59/140,530.77
  6. Step 6: Final answer
    x = 68,586.93

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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.