Home / 97,007.30-133,755.57-66,395.16

Finding the Fourth Proportional to 97,007.30, 133,755.57 and 66,395.16

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Solution

The fourth proportional to 97,007.30, 133,755.57 and 66,395.16 is: 91,546.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,007.30 : 133,755.57 = 66,395.16 : x
  2. Step 2: Convert to fraction form
    97,007.30/133,755.57 = 66,395.16/x
  3. Step 3: Cross multiply
    97,007.30x = 133,755.57 × 66,395.16
  4. Step 4: Simplify right side
    97,007.30x = 8,880,722,471.04
  5. Step 5: Solve for x
    x = 8,880,722,471.04/97,007.30
  6. Step 6: Final answer
    x = 91,546.95

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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.