Home / 210,064.14-315,236.34-108,955.38

Finding the Fourth Proportional to 210,064.14, 315,236.34 and 108,955.38

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Solution

The fourth proportional to 210,064.14, 315,236.34 and 108,955.38 is: 163,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,064.14 : 315,236.34 = 108,955.38 : x
  2. Step 2: Convert to fraction form
    210,064.14/315,236.34 = 108,955.38/x
  3. Step 3: Cross multiply
    210,064.14x = 315,236.34 × 108,955.38
  4. Step 4: Simplify right side
    210,064.14x = 34,346,695,214.51
  5. Step 5: Solve for x
    x = 34,346,695,214.51/210,064.14
  6. Step 6: Final answer
    x = 163,505.75

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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.