Home / 140,765.04-210,943.44-77,598

Finding the Fourth Proportional to 140,765.04, 210,943.44 and 77,598

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Solution

The fourth proportional to 140,765.04, 210,943.44 and 77,598 is: 116,284.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,765.04 : 210,943.44 = 77,598 : x
  2. Step 2: Convert to fraction form
    140,765.04/210,943.44 = 77,598/x
  3. Step 3: Cross multiply
    140,765.04x = 210,943.44 × 77,598
  4. Step 4: Simplify right side
    140,765.04x = 16,368,789,057.12
  5. Step 5: Solve for x
    x = 16,368,789,057.12/140,765.04
  6. Step 6: Final answer
    x = 116,284.48

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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.