Home / 97,390.20-145,800.60-88,051.72

Finding the Fourth Proportional to 97,390.20, 145,800.60 and 88,051.72

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Solution

The fourth proportional to 97,390.20, 145,800.60 and 88,051.72 is: 131,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,390.20 : 145,800.60 = 88,051.72 : x
  2. Step 2: Convert to fraction form
    97,390.20/145,800.60 = 88,051.72/x
  3. Step 3: Cross multiply
    97,390.20x = 145,800.60 × 88,051.72
  4. Step 4: Simplify right side
    97,390.20x = 12,837,993,607.03
  5. Step 5: Solve for x
    x = 12,837,993,607.03/97,390.20
  6. Step 6: Final answer
    x = 131,820.18

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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.