Home / 210,019.76-314,986.68-60,219.92

Finding the Fourth Proportional to 210,019.76, 314,986.68 and 60,219.92

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Solution

The fourth proportional to 210,019.76, 314,986.68 and 60,219.92 is: 90,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,019.76 : 314,986.68 = 60,219.92 : x
  2. Step 2: Convert to fraction form
    210,019.76/314,986.68 = 60,219.92/x
  3. Step 3: Cross multiply
    210,019.76x = 314,986.68 × 60,219.92
  4. Step 4: Simplify right side
    210,019.76x = 18,968,472,670.67
  5. Step 5: Solve for x
    x = 18,968,472,670.67/210,019.76
  6. Step 6: Final answer
    x = 90,317.56

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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.