Home / 109,306.88-163,752.96-64,839.68

Finding the Fourth Proportional to 109,306.88, 163,752.96 and 64,839.68

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Solution

The fourth proportional to 109,306.88, 163,752.96 and 64,839.68 is: 97,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,306.88 : 163,752.96 = 64,839.68 : x
  2. Step 2: Convert to fraction form
    109,306.88/163,752.96 = 64,839.68/x
  3. Step 3: Cross multiply
    109,306.88x = 163,752.96 × 64,839.68
  4. Step 4: Simplify right side
    109,306.88x = 10,617,689,525.45
  5. Step 5: Solve for x
    x = 10,617,689,525.45/109,306.88
  6. Step 6: Final answer
    x = 97,136.52

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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.