Home / 105,247.12-157,878.82-35,126.32

Finding the Fourth Proportional to 105,247.12, 157,878.82 and 35,126.32

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Solution

The fourth proportional to 105,247.12, 157,878.82 and 35,126.32 is: 52,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,247.12 : 157,878.82 = 35,126.32 : x
  2. Step 2: Convert to fraction form
    105,247.12/157,878.82 = 35,126.32/x
  3. Step 3: Cross multiply
    105,247.12x = 157,878.82 × 35,126.32
  4. Step 4: Simplify right side
    105,247.12x = 5,545,701,952.54
  5. Step 5: Solve for x
    x = 5,545,701,952.54/105,247.12
  6. Step 6: Final answer
    x = 52,692.20

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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.