Home / 97,863.48-146,633.04-89,692.20

Finding the Fourth Proportional to 97,863.48, 146,633.04 and 89,692.20

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Solution

The fourth proportional to 97,863.48, 146,633.04 and 89,692.20 is: 134,389.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,863.48 : 146,633.04 = 89,692.20 : x
  2. Step 2: Convert to fraction form
    97,863.48/146,633.04 = 89,692.20/x
  3. Step 3: Cross multiply
    97,863.48x = 146,633.04 × 89,692.20
  4. Step 4: Simplify right side
    97,863.48x = 13,151,839,950.29
  5. Step 5: Solve for x
    x = 13,151,839,950.29/97,863.48
  6. Step 6: Final answer
    x = 134,389.66

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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.