Home / 117,020.16-161,487.60-63,305.22

Finding the Fourth Proportional to 117,020.16, 161,487.60 and 63,305.22

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Solution

The fourth proportional to 117,020.16, 161,487.60 and 63,305.22 is: 87,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,020.16 : 161,487.60 = 63,305.22 : x
  2. Step 2: Convert to fraction form
    117,020.16/161,487.60 = 63,305.22/x
  3. Step 3: Cross multiply
    117,020.16x = 161,487.60 × 63,305.22
  4. Step 4: Simplify right side
    117,020.16x = 10,223,008,045.27
  5. Step 5: Solve for x
    x = 10,223,008,045.27/117,020.16
  6. Step 6: Final answer
    x = 87,361.08

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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.