Home / 115,616.64-173,359.08-45,457.68

Finding the Fourth Proportional to 115,616.64, 173,359.08 and 45,457.68

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Solution

The fourth proportional to 115,616.64, 173,359.08 and 45,457.68 is: 68,160.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,616.64 : 173,359.08 = 45,457.68 : x
  2. Step 2: Convert to fraction form
    115,616.64/173,359.08 = 45,457.68/x
  3. Step 3: Cross multiply
    115,616.64x = 173,359.08 × 45,457.68
  4. Step 4: Simplify right side
    115,616.64x = 7,880,501,583.73
  5. Step 5: Solve for x
    x = 7,880,501,583.73/115,616.64
  6. Step 6: Final answer
    x = 68,160.62

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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.