Home / 95,129.02-142,656.81-28,553.50

Finding the Fourth Proportional to 95,129.02, 142,656.81 and 28,553.50

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Solution

The fourth proportional to 95,129.02, 142,656.81 and 28,553.50 is: 42,819.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,129.02 : 142,656.81 = 28,553.50 : x
  2. Step 2: Convert to fraction form
    95,129.02/142,656.81 = 28,553.50/x
  3. Step 3: Cross multiply
    95,129.02x = 142,656.81 × 28,553.50
  4. Step 4: Simplify right side
    95,129.02x = 4,073,351,224.34
  5. Step 5: Solve for x
    x = 4,073,351,224.34/95,129.02
  6. Step 6: Final answer
    x = 42,819.23

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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.