Home / 161,948.64-242,844.96-91,809.12

Finding the Fourth Proportional to 161,948.64, 242,844.96 and 91,809.12

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Solution

The fourth proportional to 161,948.64, 242,844.96 and 91,809.12 is: 137,669.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,948.64 : 242,844.96 = 91,809.12 : x
  2. Step 2: Convert to fraction form
    161,948.64/242,844.96 = 91,809.12/x
  3. Step 3: Cross multiply
    161,948.64x = 242,844.96 × 91,809.12
  4. Step 4: Simplify right side
    161,948.64x = 22,295,382,074.04
  5. Step 5: Solve for x
    x = 22,295,382,074.04/161,948.64
  6. Step 6: Final answer
    x = 137,669.46

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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.