Home / 99,555.36-149,257.96-60,103.10

Finding the Fourth Proportional to 99,555.36, 149,257.96 and 60,103.10

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Solution

The fourth proportional to 99,555.36, 149,257.96 and 60,103.10 is: 90,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,555.36 : 149,257.96 = 60,103.10 : x
  2. Step 2: Convert to fraction form
    99,555.36/149,257.96 = 60,103.10/x
  3. Step 3: Cross multiply
    99,555.36x = 149,257.96 × 60,103.10
  4. Step 4: Simplify right side
    99,555.36x = 8,970,866,095.68
  5. Step 5: Solve for x
    x = 8,970,866,095.68/99,555.36
  6. Step 6: Final answer
    x = 90,109.32

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1.5x scale

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.