Home / 140,501.46-210,653.61-51,743.58

Finding the Fourth Proportional to 140,501.46, 210,653.61 and 51,743.58

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Solution

The fourth proportional to 140,501.46, 210,653.61 and 51,743.58 is: 77,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,501.46 : 210,653.61 = 51,743.58 : x
  2. Step 2: Convert to fraction form
    140,501.46/210,653.61 = 51,743.58/x
  3. Step 3: Cross multiply
    140,501.46x = 210,653.61 × 51,743.58
  4. Step 4: Simplify right side
    140,501.46x = 10,899,971,921.32
  5. Step 5: Solve for x
    x = 10,899,971,921.32/140,501.46
  6. Step 6: Final answer
    x = 77,579.07

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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.