Home / 209,754.46-314,465.37-109,895.50

Finding the Fourth Proportional to 209,754.46, 314,465.37 and 109,895.50

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Solution

The fourth proportional to 209,754.46, 314,465.37 and 109,895.50 is: 164,756.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,754.46 : 314,465.37 = 109,895.50 : x
  2. Step 2: Convert to fraction form
    209,754.46/314,465.37 = 109,895.50/x
  3. Step 3: Cross multiply
    209,754.46x = 314,465.37 × 109,895.50
  4. Step 4: Simplify right side
    209,754.46x = 34,558,329,068.84
  5. Step 5: Solve for x
    x = 34,558,329,068.84/209,754.46
  6. Step 6: Final answer
    x = 164,756.11

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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.