Home / 85,156.35-117,518.22-46,918.32

Finding the Fourth Proportional to 85,156.35, 117,518.22 and 46,918.32

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Solution

The fourth proportional to 85,156.35, 117,518.22 and 46,918.32 is: 64,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,156.35 : 117,518.22 = 46,918.32 : x
  2. Step 2: Convert to fraction form
    85,156.35/117,518.22 = 46,918.32/x
  3. Step 3: Cross multiply
    85,156.35x = 117,518.22 × 46,918.32
  4. Step 4: Simplify right side
    85,156.35x = 5,513,757,451.79
  5. Step 5: Solve for x
    x = 5,513,757,451.79/85,156.35
  6. Step 6: Final answer
    x = 64,748.64

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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.