Home / 99,988.02-150,044.67-53,271.54

Finding the Fourth Proportional to 99,988.02, 150,044.67 and 53,271.54

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Solution

The fourth proportional to 99,988.02, 150,044.67 and 53,271.54 is: 79,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,988.02 : 150,044.67 = 53,271.54 : x
  2. Step 2: Convert to fraction form
    99,988.02/150,044.67 = 53,271.54/x
  3. Step 3: Cross multiply
    99,988.02x = 150,044.67 × 53,271.54
  4. Step 4: Simplify right side
    99,988.02x = 7,993,110,639.69
  5. Step 5: Solve for x
    x = 7,993,110,639.69/99,988.02
  6. Step 6: Final answer
    x = 79,940.68

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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.