Home / 105,260.98-158,003.82-45,319.12

Finding the Fourth Proportional to 105,260.98, 158,003.82 and 45,319.12

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Solution

The fourth proportional to 105,260.98, 158,003.82 and 45,319.12 is: 68,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,260.98 : 158,003.82 = 45,319.12 : x
  2. Step 2: Convert to fraction form
    105,260.98/158,003.82 = 45,319.12/x
  3. Step 3: Cross multiply
    105,260.98x = 158,003.82 × 45,319.12
  4. Step 4: Simplify right side
    105,260.98x = 7,160,594,079.04
  5. Step 5: Solve for x
    x = 7,160,594,079.04/105,260.98
  6. Step 6: Final answer
    x = 68,027.05

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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.