Home / 102,035.25-153,061.56-28,163.25

Finding the Fourth Proportional to 102,035.25, 153,061.56 and 28,163.25

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Solution

The fourth proportional to 102,035.25, 153,061.56 and 28,163.25 is: 42,247.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,035.25 : 153,061.56 = 28,163.25 : x
  2. Step 2: Convert to fraction form
    102,035.25/153,061.56 = 28,163.25/x
  3. Step 3: Cross multiply
    102,035.25x = 153,061.56 × 28,163.25
  4. Step 4: Simplify right side
    102,035.25x = 4,310,710,979.67
  5. Step 5: Solve for x
    x = 4,310,710,979.67/102,035.25
  6. Step 6: Final answer
    x = 42,247.27

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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.