Home / 145,488.72-218,233.35-40,307.97

Finding the Fourth Proportional to 145,488.72, 218,233.35 and 40,307.97

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Solution

The fourth proportional to 145,488.72, 218,233.35 and 40,307.97 is: 60,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,488.72 : 218,233.35 = 40,307.97 : x
  2. Step 2: Convert to fraction form
    145,488.72/218,233.35 = 40,307.97/x
  3. Step 3: Cross multiply
    145,488.72x = 218,233.35 × 40,307.97
  4. Step 4: Simplify right side
    145,488.72x = 8,796,543,324.80
  5. Step 5: Solve for x
    x = 8,796,543,324.80/145,488.72
  6. Step 6: Final answer
    x = 60,462.03

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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.