Home / 102,215.44-153,300.12-28,349.20

Finding the Fourth Proportional to 102,215.44, 153,300.12 and 28,349.20

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Solution

The fourth proportional to 102,215.44, 153,300.12 and 28,349.20 is: 42,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,215.44 : 153,300.12 = 28,349.20 : x
  2. Step 2: Convert to fraction form
    102,215.44/153,300.12 = 28,349.20/x
  3. Step 3: Cross multiply
    102,215.44x = 153,300.12 × 28,349.20
  4. Step 4: Simplify right side
    102,215.44x = 4,345,935,761.90
  5. Step 5: Solve for x
    x = 4,345,935,761.90/102,215.44
  6. Step 6: Final answer
    x = 42,517.41

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1.5x scale

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.