Home / 146,927.79-220,390.76-70,937.68

Finding the Fourth Proportional to 146,927.79, 220,390.76 and 70,937.68

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Solution

The fourth proportional to 146,927.79, 220,390.76 and 70,937.68 is: 106,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,927.79 : 220,390.76 = 70,937.68 : x
  2. Step 2: Convert to fraction form
    146,927.79/220,390.76 = 70,937.68/x
  3. Step 3: Cross multiply
    146,927.79x = 220,390.76 × 70,937.68
  4. Step 4: Simplify right side
    146,927.79x = 15,634,008,105.88
  5. Step 5: Solve for x
    x = 15,634,008,105.88/146,927.79
  6. Step 6: Final answer
    x = 106,406.07

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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.