Home / 99,328.36-148,995.24-29,209.92

Finding the Fourth Proportional to 99,328.36, 148,995.24 and 29,209.92

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Solution

The fourth proportional to 99,328.36, 148,995.24 and 29,209.92 is: 43,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.36 : 148,995.24 = 29,209.92 : x
  2. Step 2: Convert to fraction form
    99,328.36/148,995.24 = 29,209.92/x
  3. Step 3: Cross multiply
    99,328.36x = 148,995.24 × 29,209.92
  4. Step 4: Simplify right side
    99,328.36x = 4,352,139,040.78
  5. Step 5: Solve for x
    x = 4,352,139,040.78/99,328.36
  6. Step 6: Final answer
    x = 43,815.67

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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.