Home / 102,099.67-153,244.27-52,215.41

Finding the Fourth Proportional to 102,099.67, 153,244.27 and 52,215.41

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Solution

The fourth proportional to 102,099.67, 153,244.27 and 52,215.41 is: 78,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,099.67 : 153,244.27 = 52,215.41 : x
  2. Step 2: Convert to fraction form
    102,099.67/153,244.27 = 52,215.41/x
  3. Step 3: Cross multiply
    102,099.67x = 153,244.27 × 52,215.41
  4. Step 4: Simplify right side
    102,099.67x = 8,001,712,388.20
  5. Step 5: Solve for x
    x = 8,001,712,388.20/102,099.67
  6. Step 6: Final answer
    x = 78,371.58

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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.