Home / 145,225.29-217,923.20-60,978.98

Finding the Fourth Proportional to 145,225.29, 217,923.20 and 60,978.98

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Solution

The fourth proportional to 145,225.29, 217,923.20 and 60,978.98 is: 91,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,225.29 : 217,923.20 = 60,978.98 : x
  2. Step 2: Convert to fraction form
    145,225.29/217,923.20 = 60,978.98/x
  3. Step 3: Cross multiply
    145,225.29x = 217,923.20 × 60,978.98
  4. Step 4: Simplify right side
    145,225.29x = 13,288,734,922.92
  5. Step 5: Solve for x
    x = 13,288,734,922.92/145,225.29
  6. Step 6: Final answer
    x = 91,504.27

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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.