Home / 97,087.40-145,651.90-54,987.38

Finding the Fourth Proportional to 97,087.40, 145,651.90 and 54,987.38

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Solution

The fourth proportional to 97,087.40, 145,651.90 and 54,987.38 is: 82,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,087.40 : 145,651.90 = 54,987.38 : x
  2. Step 2: Convert to fraction form
    97,087.40/145,651.90 = 54,987.38/x
  3. Step 3: Cross multiply
    97,087.40x = 145,651.90 × 54,987.38
  4. Step 4: Simplify right side
    97,087.40x = 8,009,016,373.02
  5. Step 5: Solve for x
    x = 8,009,016,373.02/97,087.40
  6. Step 6: Final answer
    x = 82,492.85

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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.