Home / 210,317.13-315,213.26-105,166.17

Finding the Fourth Proportional to 210,317.13, 315,213.26 and 105,166.17

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Solution

The fourth proportional to 210,317.13, 315,213.26 and 105,166.17 is: 157,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,317.13 : 315,213.26 = 105,166.17 : x
  2. Step 2: Convert to fraction form
    210,317.13/315,213.26 = 105,166.17/x
  3. Step 3: Cross multiply
    210,317.13x = 315,213.26 × 105,166.17
  4. Step 4: Simplify right side
    210,317.13x = 33,149,770,761.58
  5. Step 5: Solve for x
    x = 33,149,770,761.58/210,317.13
  6. Step 6: Final answer
    x = 157,618.03

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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.