Home / 99,492.14-137,308.84-74,297.90

Finding the Fourth Proportional to 99,492.14, 137,308.84 and 74,297.90

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Solution

The fourth proportional to 99,492.14, 137,308.84 and 74,297.90 is: 102,538.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,492.14 : 137,308.84 = 74,297.90 : x
  2. Step 2: Convert to fraction form
    99,492.14/137,308.84 = 74,297.90/x
  3. Step 3: Cross multiply
    99,492.14x = 137,308.84 × 74,297.90
  4. Step 4: Simplify right side
    99,492.14x = 10,201,758,463.44
  5. Step 5: Solve for x
    x = 10,201,758,463.44/99,492.14
  6. Step 6: Final answer
    x = 102,538.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.