Home / 140,237.82-210,357-61,358.13

Finding the Fourth Proportional to 140,237.82, 210,357 and 61,358.13

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Solution

The fourth proportional to 140,237.82, 210,357 and 61,358.13 is: 92,037.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,237.82 : 210,357 = 61,358.13 : x
  2. Step 2: Convert to fraction form
    140,237.82/210,357 = 61,358.13/x
  3. Step 3: Cross multiply
    140,237.82x = 210,357 × 61,358.13
  4. Step 4: Simplify right side
    140,237.82x = 12,907,112,152.41
  5. Step 5: Solve for x
    x = 12,907,112,152.41/140,237.82
  6. Step 6: Final answer
    x = 92,037.31

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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.