Home / 209,695.41-314,316.86-102,955.23

Finding the Fourth Proportional to 209,695.41, 314,316.86 and 102,955.23

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Solution

The fourth proportional to 209,695.41, 314,316.86 and 102,955.23 is: 154,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,695.41 : 314,316.86 = 102,955.23 : x
  2. Step 2: Convert to fraction form
    209,695.41/314,316.86 = 102,955.23/x
  3. Step 3: Cross multiply
    209,695.41x = 314,316.86 × 102,955.23
  4. Step 4: Simplify right side
    209,695.41x = 32,360,564,099.40
  5. Step 5: Solve for x
    x = 32,360,564,099.40/209,695.41
  6. Step 6: Final answer
    x = 154,321.76

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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.