Home / 102,238.40-153,369.36-49,609.76

Finding the Fourth Proportional to 102,238.40, 153,369.36 and 49,609.76

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Solution

The fourth proportional to 102,238.40, 153,369.36 and 49,609.76 is: 74,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,238.40 : 153,369.36 = 49,609.76 : x
  2. Step 2: Convert to fraction form
    102,238.40/153,369.36 = 49,609.76/x
  3. Step 3: Cross multiply
    102,238.40x = 153,369.36 × 49,609.76
  4. Step 4: Simplify right side
    102,238.40x = 7,608,617,140.95
  5. Step 5: Solve for x
    x = 7,608,617,140.95/102,238.40
  6. Step 6: Final answer
    x = 74,420.35

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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.