Home / 102,272.40-153,408.60-94,669.20

Finding the Fourth Proportional to 102,272.40, 153,408.60 and 94,669.20

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Solution

The fourth proportional to 102,272.40, 153,408.60 and 94,669.20 is: 142,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,272.40 : 153,408.60 = 94,669.20 : x
  2. Step 2: Convert to fraction form
    102,272.40/153,408.60 = 94,669.20/x
  3. Step 3: Cross multiply
    102,272.40x = 153,408.60 × 94,669.20
  4. Step 4: Simplify right side
    102,272.40x = 14,523,069,435.12
  5. Step 5: Solve for x
    x = 14,523,069,435.12/102,272.40
  6. Step 6: Final answer
    x = 142,003.80

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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.